{"title":"SPERAS Batteries","description":"\u003cdiv style=\"font-family: 'Inter', -apple-system, sans-serif; color: #334155; line-height: 1.8; padding: 20px 0;\"\u003e\n\u003cp style=\"font-size: 18px; margin-bottom: 20px;\"\u003ePower your mission with unwavering reliability. The \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eSPERAS Premium Rechargeable Battery Series\u003c\/strong\u003e\u003c\/span\u003e offers a comprehensive range of high-performance power solutions, including 21700, 18650, 18350, 16340, and 14500 cells. Engineered for high-drain devices, our batteries ensure your flashlights and gear perform at their absolute peak.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 22px; font-weight: 800; color: #0f172a; margin-top: 30px; margin-bottom: 15px; border-left: 4px solid #ea580c; padding-left: 12px;\"\u003eQuality Without Compromise: LG, Samsung \u0026amp; Panasonic Cells\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 20px;\"\u003eAt SPERAS, safety and performance are our top priorities. That is why \u003cstrong\u003eall our battery cells are imported from industry giants like \u003cspan style=\"color: rgb(43, 0, 255);\"\u003eLG, Samsung, and Panasonic\u003c\/span\u003e.\u003c\/strong\u003e By utilizing these world-class cores, we guarantee true-to-label capacity, stable discharge rates, and a significantly longer cycle life compared to generic alternatives.\u003c\/p\u003e\n\u003ch2 style=\"font-size: 22px; font-weight: 800; color: #0f172a; margin-top: 30px; margin-bottom: 15px; border-left: 4px solid #ea580c; padding-left: 12px;\"\u003eFeatured Industry Standards\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 20px;\"\u003eWhile our lineup covers all sizes, the 18650 and 21700 formats stand out as the primary power sources for modern professional lighting:\u003c\/p\u003e\n\u003cul style=\"margin-bottom: 25px; padding-left: 20px; list-style-type: disc;\"\u003e\n\u003cli style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eThe 21700 Powerhouse:\u003c\/strong\u003e For maximum runtime and output, the \u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-s50-21700-5000mah-battery\" title=\"SPERAS S50 21700 5000mAh Battery\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #ea580c;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003e\u003cu\u003eSPERAS 21700 Battery (5000mAh)\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e is the top choice for heavy-duty searchlights and long-range tactical gear. It provides the high-capacity storage needed for extended outdoor use.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 15px;\"\u003e\n\u003cstrong\u003eThe 18650 Versatility:\u003c\/strong\u003e The \u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-r34-18650-3400mah-rechargeable-battery\" title=\"SPERAS R34 18650 3400mAh Rechargeable Battery\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"color: #ea580c;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003e\u003cu\u003eSPERAS 18650 Battery (3400mAh)\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/a\u003e remains the gold standard for everyday carry (EDC) and professional headlamps, offering a perfect balance of weight, size, and reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: #0f172a; border-left: 5px solid #ea580c; padding-left: 15px; margin-bottom: 25px; margin-top: 40px;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 40px;\"\u003e\n\u003cdetails open=\"\" style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eWhy does SPERAS use LG and Samsung battery cells?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eUsing cells from LG, Samsung, and Panasonic ensures that our customers receive the highest quality power sources available. These cells are known for their strict quality control, safety, and consistent performance, preventing the capacity-faking and overheating issues common with budget batteries.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\" open=\"\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eShould I choose a 18650 or a 21700 battery?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eIt depends on your device. 21700 batteries are slightly larger but offer much higher capacity (up to 5000mAh), making them better for high-lumen searchlights. 18650 batteries are more compact and fit a wider range of standard tactical and EDC flashlights. Always check your device's compatibility before purchasing.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eWhat safety features are included in SPERAS batteries?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eOur rechargeable lithium batteries feature built-in \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eProtective Circuit Boards (PCB)\u003c\/strong\u003e\u003c\/span\u003e. This technology protects the cell against over-charging, over-discharging, and short-circuiting, ensuring a safe user experience and extending the battery's total lifespan.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 16px; font-weight: 600; color: #0f172a; background: #f8fafc; padding: 15px; border-radius: 8px; border: 1px solid #e2e8f0;\"\u003ePower up with confidence. Browse the full SPERAS battery collection below to find the perfect match for your high-performance gear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","products":[{"product_id":"speras-r26-18650-2600mah-rechargeable-battery","title":"SPERAS R26 18650 2600mAh Rechargeable Battery","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSPERAS 2600mAh High Capacity 18650 3.7V Rechargeable Li-ion Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe high quality battery is 100% new with full of power\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBuilt-in over-charge and over-discharge protection circuit ensure the max performance of the battery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUnique structural design for better impact-resistant\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBrand:SPERAS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMode: R26\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCapacity:2600mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVoltage:3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCharging current:1A(recommended), 2A(Max)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWeight:50g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLength:69mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDiameter:68mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarranty: 1year; If any problem, please contact us to exchange or get new one.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e \u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003ePay attention: The battery could be only shipped by put inside the flashlight. Thanks\u003c\/strong\u003e\u003c\/p\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":41281321959601,"sku":"SPERAS-R26","price":12.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/products\/R26-1.jpg?v=1641717538"},{"product_id":"speras-r34-18650-3400mah-rechargeable-battery","title":"SPERAS R34 18650 3400mAh Rechargeable Battery","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSPERAS 3400mAh High Capacity 18650 3.7V Rechargeable Li-ion Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe high quality battery is 100% new with full of power\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBuilt-in over-charge and over-discharge protection circuit ensure the max performance of the battery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUnique structural design for better impact-resistant\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBrand:SPERAS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMode: R34\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCapacity:3400mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVoltage:3.7V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCharging current:1A(recommended), 2A(Max)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWeight:50g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLength:69mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDiameter:68mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e\u003cstrong\u003eWarranty: 1year; If any problem, please contact us to exchange or get new one\u003c\/strong\u003e.\u003c\/span\u003e\u003c\/p\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":41281324155057,"sku":"SPERAS-R34","price":16.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/products\/R34-1.jpg?v=1641717849"},{"product_id":"speras-r145-14500-750mah-rechargeable-battery","title":"SPERAS R145 14500 750mAh Rechargeable Battery","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSPERAS 750mAh High Capacity 14500 3.7V Rechargeable Li-ion Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe high quality battery is 100% new with full of power\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBuilt-in over-charge and over-discharge protection circuit ensure the max performance of the battery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUnique structural design for better impact-resistant\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBrand:SPERAS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMode: R145\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCapacity:750mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVoltage:2.75—4.2V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCharging current:1A(recommended), 2A(Max)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWeight:40g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLength:50mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDiameter:14.5mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 19.5g\/0.69 Oz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarranty: 1year; If any problem, please contact us to exchange or get new one.\u003c\/span\u003e\u003c\/p\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":41281327726769,"sku":"SPERAS-R145","price":8.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/products\/R145-2.jpg?v=1724923507"},{"product_id":"speras-pb35-18650-3500mah-10a-hdc-battery","title":"SPERAS PB35 18650 3500mAh 10A HDC Battery","description":"\u003cp data-mce-fragment=\"1\"\u003e\u003cstrong\u003eSPERAS 3500mAh High Capacity 18650 3.7V Rechargeable Li-ion Battery\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eThe high quality battery is 100% new with full of power\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBuilt-in over-charge and over-discharge protection circuit ensure the max performance of the battery\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eUnique structural design for better impact-resistant\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBrand:SPERAS\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eMode: PB35\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCapacity:3500mAh\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eVoltage:3.6V\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCharging current:1A(recommended), 2A(Max)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCell: LG cell\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eCurrent: 10A High Discharge Current (10A HDC)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWeight:50g\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eLength:70.5mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eDiameter:18.6mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eNet weight: 48.5g\/1.71 Oz\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-mce-fragment=\"1\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eWarranty: 1year; If any problem, please contact us to exchange or get new one.\u003c\/span\u003e\u003c\/p\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":41281331331249,"sku":"SPERAS-PB35","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/products\/PB35-3.jpg?v=1724923632"},{"product_id":"speras-s50-21700-5000mah-battery","title":"SPERAS S50 21700 5000mAh Battery","description":"\u003cstyle\u003e\n    \/* ========================================================= *\/\n    \/* 基础样式重置与排版优化 (高级战术黑黄风格) *\/\n    \/* ========================================================= *\/\n    .speras-s50-pdp { font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif; color: #2c3e50; line-height: 1.6; max-width: 1000px; margin: 0 auto; padding: 20px; background: #fff; }\n    .speras-s50-pdp h1, .speras-s50-pdp h2, .speras-s50-pdp h3 { margin-top: 0; line-height: 1.3; }\n    \n    \/* 🏆 Hero 顶部横幅 *\/\n    .speras-hero-banner { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 50px 30px; border-radius: 20px; margin-bottom: 50px; text-align: center; border-bottom: 6px solid #eab308; box-shadow: 0 10px 25px rgba(0,0,0,0.15); }\n    .speras-hero-banner h1 { font-size: 38px; font-weight: 900; color: #ffffff !important; margin: 0 0 15px 0; text-transform: uppercase; }\n    .speras-hero-banner .subtitle { font-size: 18px; max-width: 850px; margin: 0 auto 20px auto; color: #cbd5e1 !important; line-height: 1.7; }\n    \n    \/* 极致稳定的左右图文模块 *\/\n    .speras-feature-row { display: flex; flex-wrap: wrap; background: #fafafa; border-radius: 12px; border: 1px solid #e2e8f0; margin-bottom: 40px; overflow: hidden; align-items: center; box-shadow: 0 4px 6px rgba(0,0,0,0.02); }\n    .speras-feature-text { flex: 1 1 340px; padding: 35px; box-sizing: border-box; }\n    .speras-feature-img { flex: 1 1 340px; padding: 25px; text-align: center; box-sizing: border-box; }\n\n    \/* 🏆 黑白双卡片 (安全保护 \u0026 质保) *\/\n    .speras-safety-warranty-row { display: flex; flex-wrap: wrap; 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padding-left: 20px; color: #ffffff !important; margin: 0; }\n    .speras-specs-box li { margin-bottom: 12px; color: #e2e8f0 !important; font-size: 16px; }\n    .speras-specs-box strong { color: #eab308 !important; }\n\n    \/* FAQ 手风琴样式 *\/\n    .speras-faq details { background: #fff; border: 1px solid #cbd5e1; border-radius: 8px; margin-bottom: 15px; padding: 18px; cursor: pointer; transition: background 0.3s; }\n    .speras-faq summary { font-size: 18px; font-weight: 700; color: #0f172a; outline: none; }\n    .speras-faq details p { margin-top: 12px; margin-bottom: 0; color: #475569; }\n\n    \/* 🚀 JS 灯箱放大效果 CSS *\/\n    .s50-img-zoom { width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); display: block; margin: 0 auto; cursor: zoom-in; transition: transform 0.3s ease, box-shadow 0.3s ease; }\n    .s50-img-zoom:hover { transform: scale(1.02); box-shadow: 0 8px 20px rgba(0,0,0,0.15); }\n    #s50-lightbox { position: fixed; z-index: 2147483647; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(15, 23, 42, 0.95); display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease; cursor: zoom-out; }\n    #s50-lightbox.active { opacity: 1; visibility: visible; }\n    #s50-lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 8px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s ease; }\n    #s50-lightbox.active img { transform: scale(1); }\n\n    \/* ========================================================= *\/\n    \/* 📱 移动端万能防重叠修复补丁 (死锁在 .speras-s50-pdp 内) *\/\n    \/* ========================================================= *\/\n    @media screen and (max-width: 850px) {\n        .speras-s50-pdp .speras-feature-row,\n        .speras-s50-pdp .speras-specs-box,\n        .speras-s50-pdp .speras-safety-warranty-row {\n            display: block !important; \n            padding: 15px 10px !important;\n            margin-bottom: 20px !important;\n        }\n        \n        .speras-s50-pdp .speras-feature-text, \n        .speras-s50-pdp .speras-feature-img,\n        .speras-s50-pdp .speras-specs-box \u003e div,\n        .speras-s50-pdp .s50-safety-card,\n        .speras-s50-pdp .s50-warranty-card {\n            display: block !important;\n            width: 100% !important;\n            max-width: 100% !important;\n            padding: 25px !important;\n            margin: 0 0 20px 0 !important;\n            box-sizing: border-box !important;\n        }\n\n        .speras-s50-pdp h1, .speras-s50-pdp h2, .speras-s50-pdp h3, \n        .speras-s50-pdp p, .speras-s50-pdp span, .speras-s50-pdp li {\n            white-space: normal !important;\n            word-wrap: break-word !important;\n            word-break: break-word !important;\n            line-height: 1.6 !important;\n            height: auto !important;\n        }\n        \n        .speras-s50-pdp .speras-hero-banner h1 {\n            font-size: 26px !important;\n            line-height: 1.3 !important;\n        }\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-s50-pdp\"\u003e\n\u003cdiv class=\"speras-hero-banner\"\u003e\n\u003cspan style=\"display: inline-block; background: #eab308; color: #111; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003eMaximum Power Output\u003c\/span\u003e\n\u003ch1\u003eSPERAS S50: 5000mAh 21700 Li-ion Battery\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003eFuel your high-performance gear with the SPERAS S50. This premium 21700 rechargeable lithium-ion battery features a massive \u003cspan style=\"color: #eab308;\"\u003e\u003cstrong\u003e5000mAh capacity\u003c\/strong\u003e\u003c\/span\u003e and a high-drain \u003cspan style=\"color: #eab308;\"\u003e\u003cstrong\u003e15A max discharge rate\u003c\/strong\u003e\u003c\/span\u003e. Built with premium LG cells and comprehensive safety circuits, it guarantees peak performance and extreme reliability for your most demanding tactical and search flashlights.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px; margin-bottom: 35px;\"\u003e\n\u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 5000mAh \/ 18.0Wh\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚡ 15A Max Discharge\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🛡️ Triple Protection\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"max-width: 650px; margin: 0 auto;\"\u003e\u003cimg class=\"s50-img-zoom\" style=\"box-shadow: 0 8px 30px rgba(0,0,0,0.3);\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/5_aa3bd752-4eb3-4119-887c-d5a2c583e484.jpg?v=1776312409\" alt=\"SPERAS S50 5000mAh high capacity 21700 3.6V rechargeable Li-ion battery\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 28px; color: #1a1a1a; margin-top: 40px; margin-bottom: 30px; border-left: 5px solid #eab308; padding-left: 15px; font-weight: 800; text-transform: uppercase;\"\u003eUnleash True Performance\u003c\/h2\u003e\n\u003cdiv class=\"speras-feature-row\"\u003e\n\u003cdiv class=\"speras-feature-text\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #eab308; margin-top: 0;\"\u003ePremium LG Cell \u0026amp; High-Drain Output\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eNot all batteries are created equal. The SPERAS S50 is powered by a 100% new, authentic \u003cstrong\u003eLG internal cell\u003c\/strong\u003e, guaranteeing true 5000mAh capacity without false advertising.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eWith a continuous discharging current of 9.8A and a \u003cstrong\u003emaximum burst of 15A\u003c\/strong\u003e, it easily drives high-lumen flashlights to their maximum Turbo output without voltage sagging.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"speras-feature-img\"\u003e\u003cimg class=\"s50-img-zoom\" alt=\"SPERAS S50 21700 battery featuring LG cell and high drain 15A max current\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/1_57da44ee-50c0-49fe-8bd9-02d5ec784c05.jpg?v=1776312409\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"speras-safety-warranty-row\"\u003e\n\u003cdiv class=\"s50-safety-card\"\u003e\n\u003ch3\u003eIntelligent Safety Protections\u003c\/h3\u003e\n\u003cp\u003eSafety is our top priority. The S50 features a highly sophisticated built-in protection circuit board (PCB) to ensure the maximum lifespan of your battery and the safety of your devices.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriple Defense:\u003c\/strong\u003e Prevents Over-charging, Over-discharging, and Short-circuiting.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImpact Resistant:\u003c\/strong\u003e Features a unique structural design that protects the internal core from drops and severe shocks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"s50-warranty-card\"\u003e\n\u003ch3\u003eBacked by SPERAS Quality\u003c\/h3\u003e\n\u003cp\u003eWe stand behind our power sources. The SPERAS S50 comes with a comprehensive \u003cstrong\u003e1-Year Manufacturer Warranty\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eIf you experience any performance issues or defects, we will exchange it or provide a new one immediately. Buy and operate your gear with absolute confidence.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"speras-cross-sell\"\u003e\n\u003ch3\u003e🔦 The Perfect Power Source for SPERAS Flashlights\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; color: #475569; margin-bottom: 10px;\"\u003eThe S50 battery is specifically engineered to handle the extreme power demands of our professional lighting gear. It is the highly recommended primary or backup power source for:\u003c\/p\u003e\n\u003cul style=\"font-size: 16px; margin-bottom: 0; color: #475569;\"\u003e\n\u003cli style=\"margin-bottom: 8px;\"\u003e\n\u003ca rel=\"noopener\" title=\"SPERAS P4 4000LM USB-C Charging Flashlight\" href=\"https:\/\/sperasflashlight.com\/products\/speras-p4-4000-lumen-search-flashlight-power-bank\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eSPERAS P4 (4000 Lumens Searchlight)\u003c\/strong\u003e\u003c\/span\u003e \u003c\/a\u003e- Maximizes the P4's turbo output and ensures up to 167 hours of runtime.\u003c\/li\u003e\n\u003cli\u003eIt is also fully compatible with most standard high-drain 21700 flashlights on the market.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"speras-specs-box\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e SPERAS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e S50\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Cell:\u003c\/strong\u003e LG Cell\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCapacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 3.6V (18.0Wh)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2 style=\"color: transparent; border-left: none;\"\u003e \u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCharging Current:\u003c\/strong\u003e 1A (Recommended), 2A (Max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDischarging Current:\u003c\/strong\u003e 9.8A (Continuous), 15A (Max)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 75mm (Length) x 21.4mm (Diameter)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNet Weight:\u003c\/strong\u003e 72.8g\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 Year\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 28px; color: #1a1a1a; margin-top: 60px; margin-bottom: 20px; border-left: 5px solid #eab308; padding-left: 15px; font-weight: 800; text-transform: uppercase;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv class=\"speras-faq\" style=\"margin-bottom: 50px;\"\u003e\n\u003cdetails open=\"\"\u003e\n\u003csummary\u003eCan I use this 21700 battery in an 18650 flashlight?\u003c\/summary\u003e\n\u003cp\u003eNo. The 21700 battery is larger (21.4mm diameter, 75mm length) than an 18650 battery. It will not fit in flashlights designed strictly for 18650 batteries. Please ensure your flashlight or device specifically supports 21700 sized batteries.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs this a protected or unprotected battery?\u003c\/summary\u003e\n\u003cp\u003eThe SPERAS S50 is a \u003cstrong\u003eProtected\u003c\/strong\u003e battery. It features a built-in intelligent circuit board at the positive pole that actively prevents over-charging, over-discharging, and short circuits, making it exceptionally safe for daily use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat kind of charger should I use?\u003c\/summary\u003e\n\u003cp\u003eWe recommend using a high-quality smart charger specifically designed for lithium-ion batteries. For optimal battery life, a charging current of 1A is recommended, though it safely supports up to 2A fast charging.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy does my high-lumen flashlight need a \"High Drain\" 15A battery?\u003c\/summary\u003e\n\u003cp\u003eHigh-performance flashlights (like the 4000-lumen SPERAS P4) require massive amounts of power instantly to reach their Turbo modes. Standard batteries will suffer from voltage drop and fail to activate Turbo. The S50's 15A max discharge rate easily handles these extreme power demands.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"s50-lightbox\"\u003e\u003cimg alt=\"Zoomed View\" id=\"s50-lightbox-img\"\u003e\u003c\/div\u003e\n\u003cscript\u003e\n    \/\/ 使用纯 JS 拦截点击并触发灯箱，百分百避开 Shopify 主题的锚点劫持\n    document.addEventListener('click', function(e) {\n        if (e.target \u0026\u0026 e.target.classList.contains('s50-img-zoom')) {\n            e.preventDefault();\n            var lightbox = document.getElementById('s50-lightbox');\n            var lightboxImg = document.getElementById('s50-lightbox-img');\n            if (lightbox \u0026\u0026 lightboxImg) {\n                lightboxImg.src = e.target.src;\n                lightbox.classList.add('active');\n                document.body.style.overflow = 'hidden'; \/\/ 防止背景滑动\n            }\n        } else if (e.target \u0026\u0026 (e.target.id === 's50-lightbox' || e.target.id === 's50-lightbox-img')) {\n            var lightbox = document.getElementById('s50-lightbox');\n            if (lightbox) {\n                lightbox.classList.remove('active');\n                document.body.style.overflow = ''; \/\/ 恢复背景滑动\n            }\n        }\n    });\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":41281336475825,"sku":"SPERAS-S50","price":23.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/products\/SPERAS_S50.jpg?v=1776313424"},{"product_id":"speras-eb31-18650-battery-3100mah-18650-high-drain-battery","title":"SPERAS EB31 18650 Rechargeable battery","description":"\u003cstyle\u003e\n    \/* SPERAS 配件详情页基础样式 *\/\n    .speras-battery-container { font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif; color: #1e293b; line-height: 1.8; max-width: 800px; margin: 0 auto; padding: 20px; background: #fff; }\n    \n    .speras-battery-container h2 { font-size: 28px; color: #0f172a; margin-bottom: 20px; border-left: 5px solid #ea580c; padding-left: 15px; font-weight: 800; text-transform: uppercase; }\n    .speras-battery-container p { font-size: 18px; color: #475569; margin-bottom: 25px; text-align: left; }\n    \n    .battery-feature-box { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 30px; margin: 30px 0; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); }\n    .battery-feature-box ul { list-style: none; padding-left: 0; margin: 0; }\n    .battery-feature-box li { font-size: 18px; color: #334155; margin-bottom: 15px; padding-left: 30px; position: relative; }\n    .battery-feature-box li::before { content: \"⚡\"; position: absolute; left: 0; top: 0; color: #ea580c; }\n    \n    .battery-image-wrapper { text-align: center; margin: 40px 0; }\n    .battery-image-wrapper img { max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 10px 25px rgba(0,0,0,0.08); }\n\n    \/* ========================================================= *\/\n    \/* 📱 移动端防重叠修复补丁 (终极修复标题和列表行高压扁 Bug) *\/\n    \/* ========================================================= *\/\n    @media screen and (max-width: 850px) {\n        .speras-battery-container { padding: 15px !important; box-sizing: border-box !important; overflow: hidden !important; }\n        .battery-feature-box { padding: 20px 15px !important; }\n        \n        \/* 彻底释放文字换行，消除文字溢出和不换行 *\/\n        .speras-battery-container h2, \n        .speras-battery-container h3, \n        .speras-battery-container p, \n        .speras-battery-container span, \n        .speras-battery-container li,\n        .speras-battery-container strong,\n        .speras-battery-container a {\n            white-space: normal !important;\n            word-wrap: break-word !important;\n            word-break: break-word !important;\n            overflow-wrap: break-word !important; \n            height: auto !important;\n            max-height: none !important;\n        }\n        \n        \/* 🚨 核心修复：强制重写小标题和列表行高，彻底拉开行距！ *\/\n        .speras-battery-container h2 { line-height: 1.4 !important; font-size: 24px !important; margin-bottom: 15px !important; }\n        .speras-battery-container h3 { line-height: 1.4 !important; font-size: 20px !important; margin-bottom: 15px !important; }\n        .speras-battery-container p, \n        .speras-battery-container li { line-height: 1.6 !important; font-size: 16px !important; }\n\n        \/* 防止图片撑破屏幕 *\/\n        .speras-battery-container img { max-width: 100% !important; height: auto !important; margin: 0 auto !important; display: block !important; }\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-battery-container\"\u003e\n\u003ch2\u003eUnlock Peak Performance: SPERAS EB31 18650 Battery\u003c\/h2\u003e\n\u003cp\u003eA high-performance flashlight requires a high-performance power source. The \u003cstrong\u003eSPERAS EB31\u003c\/strong\u003e is an industry-standard 18650 lithium-ion cell engineered specifically to push modern tactical and EDC flashlights to their absolute maximum output.\u003c\/p\u003e\n\u003cp\u003eBoasting a high \u003cstrong\u003e3100mAh capacity\u003c\/strong\u003e and an ultra-low internal resistance of just \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e33.7mΩ\u003c\/strong\u003e\u003c\/span\u003e, the EB31 delivers rapid, stable power without the severe voltage sag found in generic batteries. This means brighter \"Turbo\" modes and longer sustained illumination for your gear.\u003c\/p\u003e\n\u003cdiv class=\"battery-image-wrapper\"\u003e\u003cimg alt=\"SPERAS EB31 3100mAh 18650 high-drain lithium-ion flashlight battery\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/EB31.jpg?v=1702042430\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"battery-feature-box\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #0f172a; font-size: 22px; margin-bottom: 20px;\"\u003eCore Specifications \u0026amp; Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-Low Internal Resistance (33.7mΩ):\u003c\/strong\u003e Allows for massive current discharge with minimal heat generation, ensuring your high-lumen flashlights hit their peak brightness effortlessly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3100mAh Extended Capacity:\u003c\/strong\u003e Provides the perfect balance of high-drain capabilities and long runtime, keeping your EDC or tactical light running reliably through the night.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUniversal 18650 Format:\u003c\/strong\u003e The gold standard power source for compact tactical flashlights, headlamps, and professional outdoor gear.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable Output:\u003c\/strong\u003e Prevents premature voltage drops, ensuring a consistent and safe lighting experience during critical tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":43146249044145,"sku":"SPERAS EB31","price":9.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/EB31-Battery_e44d1b5c-9d3b-45c1-89c6-b883c6ea94ef.jpg?v=1724935300"},{"product_id":"speras-s10t-10000mah-21700-battery-pack","title":"SPERAS S10T 10000mAh 21700 battery Pack","description":"\u003cstyle\u003e\n    \/* SPERAS 配件详情页基础样式 *\/\n    .speras-battery-container { font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif; color: #1e293b; line-height: 1.8; max-width: 800px; margin: 0 auto; padding: 20px; background: #fff; }\n    \n    .speras-battery-container h2 { font-size: 28px; color: #0f172a; margin-bottom: 20px; border-left: 5px solid #ea580c; padding-left: 15px; font-weight: 800; text-transform: uppercase; }\n    .speras-battery-container p { font-size: 18px; color: #475569; margin-bottom: 25px; }\n    \n    .battery-feature-box { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 30px; margin: 30px 0; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05); }\n    .battery-feature-box ul { list-style: none; padding-left: 0; margin: 0; }\n    .battery-feature-box li { font-size: 18px; color: #334155; margin-bottom: 15px; padding-left: 30px; position: relative; }\n    .battery-feature-box li::before { content: \"⚡\"; position: absolute; left: 0; top: 0; color: #ea580c; }\n    \n    .battery-image-wrapper { text-align: center; margin: 40px 0; }\n    .battery-image-wrapper img { max-width: 100%; height: auto; border-radius: 12px; box-shadow: 0 10px 25px rgba(0,0,0,0.08); }\n\n    \/* ========================================================= *\/\n    \/* 📱 移动端防重叠修复补丁 (终极修复标题和列表行高压扁 Bug) *\/\n    \/* ========================================================= *\/\n    @media screen and (max-width: 850px) {\n        .speras-battery-container { padding: 15px !important; box-sizing: border-box !important; overflow: hidden !important; }\n        .battery-feature-box { padding: 20px 15px !important; }\n        \n        \/* 彻底释放文字换行，消除文字溢出和不换行 *\/\n        .speras-battery-container h2, \n        .speras-battery-container h3, \n        .speras-battery-container p, \n        .speras-battery-container span, \n        .speras-battery-container li,\n        .speras-battery-container a {\n            white-space: normal !important;\n            word-wrap: break-word !important;\n            word-break: break-word !important;\n            overflow-wrap: break-word !important; \n            height: auto !important;\n            max-height: none !important;\n        }\n        \n        \/* 🚨 核心修复：强制重写小标题和列表行高，彻底拉开行距！ *\/\n        .speras-battery-container h2 { line-height: 1.4 !important; font-size: 24px !important; margin-bottom: 15px !important; }\n        .speras-battery-container h3 { line-height: 1.4 !important; font-size: 20px !important; margin-bottom: 15px !important; }\n        .speras-battery-container p, \n        .speras-battery-container li { line-height: 1.6 !important; font-size: 16px !important; }\n\n        \/* 防止图片撑破屏幕 *\/\n        .speras-battery-container img { max-width: 100% !important; height: auto !important; margin: 0 auto !important; display: block !important; }\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-battery-container\"\u003e\n\u003ch2\u003ePower Your Mission: SPERAS S10T Battery Pack\u003c\/h2\u003e\n\u003cp\u003eDon't let your flashlight fade when you need it most. The \u003cstrong\u003eSPERAS S10T\u003c\/strong\u003e is a premium, heavy-duty lithium-ion battery pack engineered specifically for high-performance hunting and search-and-rescue flashlights.\u003c\/p\u003e\n\u003cp\u003eBuilt with uncompromising quality, the S10T is constructed using \u003cstrong\u003etwo \u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-s50-21700-5000mah-battery\" target=\"_blank\" title=\"SPERAS S50 21700 5000mAh Battery\" rel=\"noopener\"\u003e5000mAh\u003c\/a\u003e 21700 cells configured in series\u003c\/strong\u003e. This innovative design delivers the high voltage required by extreme-output LEDs, while providing a massive \u003cstrong\u003e10000mAh total capacity\u003c\/strong\u003e for ultra-long runtimes in the field.\u003c\/p\u003e\n\u003cdiv class=\"battery-image-wrapper\"\u003e\u003cimg alt=\"SPERAS S10T 10000mAh 21700 Lithium-ion Battery Pack with LG Cells\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/S10T.jpg?v=1702042752\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"battery-feature-box\"\u003e\n\u003ch3 style=\"margin-top: 0; color: #0f172a; font-size: 22px; margin-bottom: 20px;\"\u003eCore Specifications \u0026amp; Advantages\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePremium LG Cells Inside:\u003c\/strong\u003e Manufactured exclusively with high-quality LG lithium-ion cells, guaranteeing industry-leading safety, stable discharge rates, and a significantly longer lifespan than generic batteries.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMassive 10000mAh Capacity:\u003c\/strong\u003e Say goodbye to battery anxiety. The dual 5000mAh configuration ensures your gear stays illuminated through the longest nights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries Configuration for High Power:\u003c\/strong\u003e Expertly welded in series to provide the sustained high-voltage current needed for heavy-duty tactical and search flashlights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReliable \u0026amp; Safe:\u003c\/strong\u003e Designed to withstand the rigorous demands of professional outdoor use, ensuring consistent power delivery in harsh environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cp style=\"font-size: 16px; color: #64748b; font-style: italic;\"\u003e* Note: This battery pack is specifically designed for compatible SPERAS high-output flashlights (such as the\u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-t217-v3-hunting-flashlight-3000-lumen-flashlight\" target=\"_blank\" title=\"SPERAS T217 V3 21700 Battery Hunting Flashlight 3000lm 1500m Search Flashlights\" rel=\"noopener\"\u003e \u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT217 V3\u003c\/span\u003e\u003c\/strong\u003e\u003c\/a\u003e series). Please verify your flashlight's battery requirements before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":43146249699505,"sku":"S10T","price":46.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/ST10-Battery.jpg?v=1724934768"},{"product_id":"c32-18650-battery-3200mah-for-only-speras-est-max-use","title":"C32 18650 Battery 3200mAh for Only SPERAS EST Max Use","description":"\u003cstyle\u003e\n    \/* 🏆 Speras Universal Hero Banner \u0026 Layout Style *\/\n    .speras-pdp-container { font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: 0 auto; padding: 20px; }\n    .speras-hero-banner { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 50px 30px; border-radius: 20px; margin-bottom: 40px; text-align: center; border-bottom: 6px solid #ea580c; box-shadow: 0 10px 25px rgba(0,0,0,0.15); }\n    .speras-hero-banner h1 { font-size: 38px; font-weight: 900; color: #ffffff !important; margin: 0 0 15px 0; line-height: 1.3; }\n    .speras-hero-banner .subtitle { font-size: 18px; max-width: 850px; margin: 0 auto 20px auto; color: #cbd5e1 !important; line-height: 1.7; }\n    \n    \/* Comparison Table \/ Formatting *\/\n    .speras-table-wrapper { overflow-x: auto; margin: 40px 0; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border: 1px solid #e2e8f0; }\n    .speras-table { width: 100%; border-collapse: collapse; text-align: left; background-color: #fff; min-width: 600px; }\n    .speras-table th, .speras-table td { padding: 16px 20px; border-bottom: 1px solid #e2e8f0; font-size: 16px; color: #444; }\n    .speras-table th { background-color: #0f172a; font-weight: bold; color: #fff; font-size: 16px; }\n    .speras-table tr:hover { background-color: #f9fafb; }\n    .speras-highlight-col { background-color: #fff7ed; font-weight: bold; width: 40%; color: #c2410c !important; }\n\n    \/* Lightbox and Hover Effects *\/\n    .speras-zoomable { cursor: zoom-in; transition: transform 0.3s ease, box-shadow 0.3s ease; display: block; }\n    .speras-zoomable:hover { transform: scale(1.02); box-shadow: 0 8px 20px rgba(0,0,0,0.1) !important; }\n    #speras-lightbox { position: fixed; z-index: 999999; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(15, 23, 42, 0.95); display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease; cursor: zoom-out; }\n    #speras-lightbox.active { opacity: 1; visibility: visible; }\n    #speras-lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s ease; }\n    #speras-lightbox.active img { transform: scale(1); }\n\n    \/* Layout Elements *\/\n    .speras-section-title { font-size: 28px; font-weight: bold; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 50px; margin-bottom: 30px; text-align: center; }\n\n    \/* 极致稳定的左右图文模块 *\/\n    .speras-feature-row { display: flex; flex-wrap: wrap; background: #fafafa; border-radius: 12px; border: 1px solid #e2e8f0; margin-bottom: 40px; overflow: hidden; align-items: center; box-shadow: 0 4px 6px rgba(0,0,0,0.02); }\n    .speras-feature-text { flex: 1 1 300px; padding: 35px; }\n    .speras-feature-img { flex: 1 1 300px; padding: 25px; text-align: center; }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\u003cdiv class=\"speras-hero-banner\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003eExclusive Tactical Power\u003c\/span\u003e\n\u003ch1\u003eSPERAS C32 Customized Lithium Battery\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003eExperience flawless tactical performance. The \u003cstrong style=\"color: #ea580c;\"\u003eSPERAS C32\u003c\/strong\u003e is a highly specialized, customized lithium battery engineered exclusively for the \u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0); text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-est-max-tactical-flashlight-2500-lumen-flashlight-police-duty-light\" target=\"_blank\" title=\" SPERAS EST MAX 2500lm 279m Professional Tactical Police Flashlight\" style=\"color: rgb(255, 42, 0); text-decoration: underline;\" rel=\"noopener\"\u003eSPERAS EST MAX\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e flashlight. Featuring a unique design with both the positive and negative poles on the same side, it ensures seamless compatibility with advanced tactical tail switches.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔒 EST MAX Exclusive\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚡ Dual-Pole Same Side\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 High Drain Output\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 50px; max-width: 600px; margin-left: auto; margin-right: auto;\"\u003e\u003cimg style=\"width: 100%; height: auto; border-radius: 12px; box-shadow: 0 8px 25px rgba(0,0,0,0.05); display: block;\" alt=\"SPERAS C32 customized lithium battery exclusively for EST MAX flashlight\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/C32-1000X1000.jpg?v=1724033331\" class=\"speras-zoomable\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eEngineered for the EST MAX\u003c\/h2\u003e\n\u003cdiv class=\"speras-feature-row\"\u003e\n\u003cdiv class=\"speras-feature-text\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003e100% Exclusive Compatibility\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eStandard batteries simply won't work. The SPERAS C32 is a custom-built power source designed from the ground up \u003cstrong\u003estrictly for the SPERAS EST MAX\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eBy matching the exact electrical and physical requirements of the EST MAX, this battery guarantees optimal lumen output, consistent runtimes, and prevents any potential operational failures during critical moments.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"speras-feature-img\"\u003e\n\u003cdiv style=\"background: #1e293b; padding: 50px 20px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); height: 100%; display: flex; flex-direction: column; justify-content: center;\"\u003e\n\u003cp style=\"font-size: 45px; margin: 0; line-height: 1;\"\u003e🔦\u003c\/p\u003e\n\u003ch4 style=\"color: #fff; font-size: 20px; margin: 15px 0 5px 0;\"\u003eEST MAX Only\u003c\/h4\u003e\n\u003cp style=\"color: #94a3b8; font-size: 14px; margin: 0;\"\u003ePerfect Fit \u0026amp; Function\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex-direction: row-reverse;\" class=\"speras-feature-row\"\u003e\n\u003cdiv class=\"speras-feature-text\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eInnovative Dual-Pole Design\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eWhat makes this battery unique? Advanced tactical flashlights require intricate circuitry to support multi-functional tail switches.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eTo achieve this, the C32 is engineered with \u003cstrong\u003eboth the positive (+) and negative (-) poles located on the same side\u003c\/strong\u003e of the battery. This custom structure is the secret behind the EST MAX's lightning-fast tactical response.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"speras-feature-img\"\u003e\n\u003cdiv style=\"background: #fff7ed; border: 1px solid #ffedd5; padding: 50px 20px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); height: 100%; display: flex; flex-direction: column; justify-content: center;\"\u003e\n\u003cp style=\"font-size: 45px; margin: 0; line-height: 1;\"\u003e⚡\u003c\/p\u003e\n\u003ch4 style=\"color: #9a3412; font-size: 20px; margin: 15px 0 5px 0;\"\u003eSame-Side Poles\u003c\/h4\u003e\n\u003cp style=\"color: #c2410c; font-size: 14px; margin: 0;\"\u003eAdvanced Circuitry Design\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"max-width: 800px; margin: 0 auto 50px auto;\" class=\"speras-table-wrapper\"\u003e\n\u003ctable class=\"speras-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSPERAS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eC32 Customized Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Chemistry\u003c\/td\u003e\n\u003ctd\u003eRechargeable Lithium-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eStructural Design\u003c\/td\u003e\n\u003ctd\u003ePositive and Negative poles on one side\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color: #d32f2f !important;\" class=\"speras-highlight-col\"\u003eStrict Compatibility\u003c\/td\u003e\n\u003ctd style=\"font-weight: bold;\"\u003eSPERAS EST MAX ONLY (Will NOT work in other devices)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 40px; max-width: 800px; margin-left: auto; margin-right: auto;\"\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eCan I use this battery in other flashlights?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003e\u003cstrong\u003eNo.\u003c\/strong\u003e The SPERAS C32 is a highly customized battery with both the positive and negative poles located on the same side. It is designed strictly for the SPERAS EST MAX. Inserting it into standard flashlights or devices will not work and may cause damage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eWhy are both poles on the same side?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eAdvanced tactical flashlights like the EST MAX use sophisticated dual-switch or multi-functional tail caps. Having both electrical contacts on the same side of the battery allows the flashlight to complete complex circuits efficiently, enabling instant strobe or turbo features.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eHow do I charge this battery?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYou can charge this battery directly while it is inside your SPERAS EST MAX flashlight using the flashlight's built-in charging port. Do not attempt to charge this in a standard universal battery charger unless it explicitly supports same-side dual-pole customized batteries.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"Can I use this battery in other flashlights?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"No. The SPERAS C32 is a customized battery with both poles on the same side. It is designed strictly for the SPERAS EST MAX and will not work in standard devices.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Why are both poles on the same side?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Advanced tactical flashlights like the EST MAX use sophisticated multi-functional tail caps. Same-side poles allow the flashlight to complete complex circuits efficiently for tactical features.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"How do I charge this battery?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Charge this battery directly while it is inside your SPERAS EST MAX flashlight using the flashlight's built-in charging port.\"\n        }\n      }]\n    }\n\u003c\/script\u003e\n\u003cdiv id=\"speras-lightbox\"\u003e\u003cimg alt=\"Enlarged view of SPERAS C32 Customized Battery\" id=\"speras-lightbox-img\"\u003e\u003c\/div\u003e\n\u003cscript\u003e\n    document.addEventListener(\"DOMContentLoaded\", function() {\n        var lightbox = document.getElementById('speras-lightbox');\n        var lightboxImg = document.getElementById('speras-lightbox-img');\n        var images = document.querySelectorAll('.speras-zoomable');\n\n        if (lightbox \u0026\u0026 lightboxImg) {\n            images.forEach(function(img) {\n                img.addEventListener('click', function(e) {\n                    e.preventDefault();\n                    lightboxImg.src = this.src;\n                    lightbox.classList.add('active');\n                    document.body.style.overflow = 'hidden';\n                });\n            });\n\n            lightbox.addEventListener('click', function() {\n                lightbox.classList.remove('active');\n                document.body.style.overflow = '';\n                setTimeout(function() {\n                    lightboxImg.src = '';\n                }, 300);\n            });\n        }\n    });\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":44524281200817,"sku":"C32","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/C32-1000X1000_3cd1b538-8f92-4047-8418-129db4003268.jpg?v=1724033343"},{"product_id":"speras-pb38-18650-3800mah-lithium-battery-20a-hdc","title":"SPERAS PB38 18650 3800mAh lithium battery 20A HDC","description":"\u003cstyle\u003e\n    \/* 安全的图片悬停放大特效，Shopify 100% 兼容 *\/\n    .speras-spec-img { width: 100%; border-radius: 8px; border: 1px solid #e2e8f0; transition: transform 0.3s ease; cursor: zoom-in; }\n    .speras-spec-img:hover { transform: scale(1.02); box-shadow: 0 10px 25px rgba(0,0,0,0.1); }\n\u003c\/style\u003e\n\u003cdiv style=\"font-family: 'Inter', -apple-system, sans-serif; color: #334155; line-height: 1.8; max-width: 900px; margin: 0 auto; padding: 20px 0;\"\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 40px 25px; border-radius: 12px; margin-bottom: 40px; text-align: center; border-bottom: 5px solid #ea580c;\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 14px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003eHigh Drain Performance\u003c\/span\u003e\n\u003ch1 style=\"font-size: 32px; font-weight: 900; margin: 0 0 20px 0; line-height: 1.3; color: #ffffff !important;\"\u003eSPERAS PB38 18650 3800mAh Lithium Battery (20A HDC)\u003c\/h1\u003e\n\u003cp style=\"font-size: 17px; color: #cbd5e1 !important; max-width: 750px; margin: 0 auto;\"\u003ePower your high-performance tactical and outdoor flashlights with the SPERAS PB38. Delivering a massive 3800mAh capacity and a 20A maximum discharge current, this premium 18650 cell ensures your gear runs brighter and longer when you need it most.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: 800; color: #0f172a; border-left: 4px solid #ea580c; padding-left: 12px; margin-bottom: 20px;\"\u003eUnleash the Full Potential of Your Flashlight\u003c\/h2\u003e\n\u003cp style=\"margin-bottom: 25px;\"\u003eStandard batteries often suffer from voltage sag under heavy loads, causing high-lumen flashlights to step down in brightness prematurely. The SPERAS PB38 is engineered with High Drain Current (HDC) chemistry, allowing it to push up to 20 Amps safely. This guarantees sustained turbo modes and maximum beam distance for your tactical equipment.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"flex: 1 1 45%; background: #f8fafc; padding: 20px; border-radius: 8px; border: 1px solid #e2e8f0;\"\u003e\n\u003ch3 style=\"font-size: 18px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eMassive 3800mAh Capacity\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 0;\"\u003eExtended runtimes for long hunting trips, camping nights, or emergency shifts. Spend less time charging and more time illuminating the dark.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 45%; background: #f8fafc; padding: 20px; border-radius: 8px; border: 1px solid #e2e8f0;\"\u003e\n\u003ch3 style=\"font-size: 18px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003e20A Max Discharge (HDC)\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; margin-bottom: 0;\"\u003eDesigned specifically for high-drain devices. Easily handles the intense power draw of modern LED emitters without overheating or failing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 24px; font-weight: 800; color: #0f172a; border-left: 4px solid #ea580c; padding-left: 12px; margin-bottom: 20px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto; border-radius: 8px; border: 1px solid #cbd5e1; margin-bottom: 30px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; background: #fff;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; width: 40%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px;\"\u003ePB38\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold;\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px;\"\u003e18650 Lithium-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold;\"\u003eCapacity\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px;\"\u003e3800mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px;\"\u003e3.6V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold;\"\u003ePower\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px;\"\u003e13.68Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold;\"\u003eContinuous Output Current\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px;\"\u003e5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold;\"\u003eMax Discharge Current\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px;\"\u003e20A (HDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px;\"\u003eLength: 69.1mm | Diameter: 18.45mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; background: #f8fafc;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; background: #f8fafc;\"\u003e49.6g (56.4g gross weight with plastic box)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin-bottom: 50px; text-align: center;\"\u003e\n\u003cp style=\"font-size: 14px; color: #64748b; margin-bottom: 10px;\"\u003eClick the image below to view the full SPERAS battery specification chart\u003c\/p\u003e\n\u003ca title=\"Click to enlarge\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_Battery_Size.png?v=1724230819\" target=\"_blank\"\u003e \u003cimg class=\"speras-spec-img\" alt=\"SPERAS 18650 and 21700 lithium battery technical specification and comparison chart\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_Battery_Size.png?v=1724230819\"\u003e \u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: #0f172a; border-left: 5px solid #ea580c; padding-left: 15px; margin-bottom: 25px;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 40px;\"\u003e\n\u003cdetails style=\"background-color: #ffffff; padding: 15px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 6px; cursor: pointer;\" open=\"\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #111; outline: none;\"\u003eWhat does 20A HDC mean?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px; font-size: 16px; color: #444; line-height: 1.6;\"\u003eHDC stands for High Drain Current. It indicates that the SPERAS PB38 can safely deliver up to 20 Amps of maximum current. This is crucial for ultra-bright tactical flashlights that require massive energy to sustain their highest lumen outputs without dropping voltage.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #ffffff; padding: 15px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 6px; cursor: pointer;\" open=\"\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #111; outline: none;\"\u003eDoes this battery have a built-in USB charging port?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px; font-size: 16px; color: #444; line-height: 1.6;\"\u003eNo, the PB38 model focuses entirely on maximizing capacity (3800mAh) and output current. It does not feature a built-in USB port. To recharge it, you should use a dedicated lithium-ion battery charger or place it inside a flashlight that has built-in charging capabilities.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #ffffff; padding: 15px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 6px; cursor: pointer;\" open=\"\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #111; outline: none;\"\u003eIs the PB38 compatible with all 18650 flashlights?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 10px; font-size: 16px; color: #444; line-height: 1.6;\"\u003eWith a standard diameter of 18.45mm and a length of 69.1mm, the PB38 is widely compatible with most high-end flashlights designed for standard 18650 cells. Always check your device specifications to ensure it accepts standard length 18650 batteries.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"黑色","offer_id":46750108975281,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/PB38-Battery_6992c961-0e70-4669-9514-7fb19b8ca738.jpg?v=1724934281"},{"product_id":"speras-pb11-18350-lithium-battery-1100mah","title":"SPERAS PB11 18350 Lithium Battery | 1100mAh High Capacity","description":"\u003cstyle\u003e\n    \/* 🏆 Speras Universal Hero Banner \u0026 Layout Style *\/\n    .speras-pdp-container { font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: 0 auto; padding: 20px; }\n    .speras-hero-banner { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 50px 30px; border-radius: 20px; margin-bottom: 40px; text-align: center; border-bottom: 6px solid #ea580c; box-shadow: 0 10px 25px rgba(0,0,0,0.15); }\n    .speras-hero-banner h1 { font-size: 38px; font-weight: 900; color: #ffffff !important; margin: 0 0 15px 0; line-height: 1.3; }\n    .speras-hero-banner .subtitle { font-size: 18px; max-width: 850px; margin: 0 auto 20px auto; color: #cbd5e1 !important; line-height: 1.7; }\n    \n    \/* Comparison Table \/ Formatting *\/\n    .speras-table-wrapper { overflow-x: auto; margin: 40px 0; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border: 1px solid #e2e8f0; }\n    .speras-table { width: 100%; border-collapse: collapse; text-align: left; background-color: #fff; min-width: 600px; }\n    .speras-table th, .speras-table td { padding: 16px 20px; border-bottom: 1px solid #e2e8f0; font-size: 16px; color: #444; }\n    .speras-table th { background-color: #0f172a; font-weight: bold; color: #fff; font-size: 16px; }\n    .speras-table tr:hover { background-color: #f9fafb; }\n    .speras-highlight-col { background-color: #fff7ed; font-weight: bold; width: 40%; color: #c2410c !important; }\n\n    \/* Lightbox and Hover Effects *\/\n    .speras-zoomable { cursor: zoom-in; transition: transform 0.3s ease, box-shadow 0.3s ease; display: block; }\n    .speras-zoomable:hover { transform: scale(1.02); box-shadow: 0 8px 20px rgba(0,0,0,0.1) !important; }\n    #speras-lightbox { position: fixed; z-index: 999999; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(15, 23, 42, 0.95); display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease; cursor: zoom-out; }\n    #speras-lightbox.active { opacity: 1; visibility: visible; }\n    #speras-lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s ease; }\n    #speras-lightbox.active img { transform: scale(1); }\n\n    \/* Layout Elements *\/\n    .speras-section-title { font-size: 28px; font-weight: bold; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 50px; margin-bottom: 30px; text-align: center; }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\u003cdiv class=\"speras-hero-banner\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003eCompact Powerhouse\u003c\/span\u003e\n\u003ch1\u003eSPERAS PB11 18350 Lithium Battery\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003eEquip your everyday carry and compact devices with the highly reliable \u003cstrong style=\"color: #ea580c;\"\u003eSPERAS PB11\u003c\/strong\u003e. Boasting a robust \u003cstrong\u003e1100mAh capacity\u003c\/strong\u003e, this high-performance 18350 lithium-ion battery ensures your premium EDC flashlights—such as the \u003cspan style=\"text-decoration: underline;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0); text-decoration: underline;\"\u003e\u003cstrong\u003e\u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-m4-compact-type-c-rechargeable-edc-flashlight-2000lm-700m\" target=\"_blank\" title=\"SPERAS M4 Compact Type-C Rechargeable EDC Flashlight 2000lm 700m\" style=\"color: rgb(255, 42, 0); text-decoration: underline;\" rel=\"noopener\"\u003eSPERAS M4\u003c\/a\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/span\u003e operate at their absolute peak performance.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 1100mAh Capacity\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚡ 3.7V Stable Output\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e✅ M4 \/ M2R-35 Compatible\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 50px; max-width: 600px; margin-left: auto; margin-right: auto;\"\u003e\u003cimg style=\"width: 100%; height: auto; border-radius: 12px; box-shadow: 0 8px 25px rgba(0,0,0,0.05); display: block;\" alt=\"SPERAS PB11 18350 1100mAh rechargeable lithium battery for EDC flashlights\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/PB11-2.jpg?v=1724935537\" class=\"speras-zoomable\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eSmall Size, Uncompromising Performance\u003c\/h2\u003e\n\u003cp style=\"text-align: center; color: #475569; margin-bottom: 30px; font-size: 16px;\"\u003eDesigned specifically to meet the high-drain demands of modern compact electronics and tactical gear.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 60px;\"\u003e\n\u003cdiv style=\"flex: 1 1 250px; background: #fff; padding: 30px 20px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center; box-shadow: 0 4px 10px rgba(0,0,0,0.03);\"\u003e\n\u003cp style=\"font-size: 35px; margin-bottom: 15px; margin-top: 0;\"\u003e🔋\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; color: #0f172a; margin-top: 0; margin-bottom: 10px;\"\u003e1100mAh High Capacity\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #64748b; margin: 0; line-height: 1.6;\"\u003eProvides long-lasting, stable power for your high-drain compact flashlights, ensuring you're never left in the dark during outdoor adventures or daily tasks.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 250px; background: #fff; padding: 30px 20px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center; box-shadow: 0 4px 10px rgba(0,0,0,0.03);\"\u003e\n\u003cp style=\"font-size: 35px; margin-bottom: 15px; margin-top: 0;\"\u003e🔦\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; color: #0f172a; margin-top: 0; margin-bottom: 10px;\"\u003ePerfect Compatibility\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #64748b; margin: 0; line-height: 1.6;\"\u003eOfficially recommended and precision-engineered for the \u003cstrong\u003eSPERAS M4\u003c\/strong\u003e  flashlights, offering a perfect fit and optimal lumen output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 250px; background: #fff; padding: 30px 20px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center; box-shadow: 0 4px 10px rgba(0,0,0,0.03);\"\u003e\n\u003cp style=\"font-size: 35px; margin-bottom: 15px; margin-top: 0;\"\u003e🛡️\u003c\/p\u003e\n\u003ch3 style=\"font-size: 18px; color: #0f172a; margin-top: 0; margin-bottom: 10px;\"\u003eSafe \u0026amp; Reliable\u003c\/h3\u003e\n\u003cp style=\"font-size: 14px; color: #64748b; margin: 0; line-height: 1.6;\"\u003eManufactured with premium lithium-ion chemistry, supporting hundreds of reliable charge cycles while maintaining consistent 3.7V voltage stability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"max-width: 800px; margin: 0 auto 50px auto;\" class=\"speras-table-wrapper\"\u003e\n\u003ctable class=\"speras-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSPERAS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePB11\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Size \/ Form Factor\u003c\/td\u003e\n\u003ctd\u003e18350\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Chemistry\u003c\/td\u003e\n\u003ctd\u003eRechargeable Lithium-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e1100mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003ePrimary Compatibility\u003c\/td\u003e\n\u003ctd\u003eSPERAS M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eGeneral Compatibility\u003c\/td\u003e\n\u003ctd\u003eAny standard electronics requiring 3.7V 18350 cells\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 40px; max-width: 800px; margin-left: auto; margin-right: auto;\"\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eWhat devices can I use this battery with?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eThe SPERAS PB11 is specifically designed for compact high-drain devices. It is the official recommended power source for the SPERAS M4 and M2R-35 EDC flashlights. It can also be used in other brand devices that accept standard 3.7V 18350 lithium-ion batteries.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eHow do I charge the PB11 battery?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYou can charge the PB11 using any standard, high-quality lithium-ion battery charger. Additionally, if you are using it in a flashlight with built-in charging capabilities (like the SPERAS M4 with its USB-C port), you can charge the battery directly inside the flashlight.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eIs this battery rechargeable?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, the PB11 is a fully rechargeable lithium-ion battery. It is designed to endure hundreds of charge cycles, making it a highly cost-effective and eco-friendly alternative to disposable batteries.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"What devices can I use this battery with?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The SPERAS PB11 is the official recommended power source for the SPERAS M4 and M2R-35 flashlights. 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font-size: 16px; color: #444; }\n    .speras-table th { background-color: #0f172a; font-weight: bold; color: #fff; font-size: 16px; }\n    .speras-table tr:hover { background-color: #f9fafb; }\n    .speras-highlight-col { background-color: #fff7ed; font-weight: bold; width: 40%; color: #c2410c !important; }\n\n    \/* Lightbox and Hover Effects *\/\n    .speras-zoom { cursor: zoom-in; transition: transform 0.2s; display: block; }\n    .speras-zoom:hover { transform: scale(1.02); }\n    #speras-lightbox { position: fixed; z-index: 999999; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(15, 23, 42, 0.95); display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease; cursor: zoom-out; }\n    #speras-lightbox.active { opacity: 1; visibility: visible; }\n    #speras-lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s ease; }\n    #speras-lightbox.active img { transform: scale(1); }\n\n    \/* Layout Elements *\/\n    .speras-section-title { font-size: 28px; font-weight: bold; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 50px; margin-bottom: 30px; text-align: center; }\n\n    \/* 极致稳定的左右图文模块 *\/\n    .speras-feature-row { display: flex; flex-wrap: wrap; background: #fafafa; border-radius: 8px; border: 1px solid #e2e8f0; margin-bottom: 40px; overflow: hidden; align-items: center; }\n    .speras-feature-text { flex: 1 1 300px; padding: 30px; }\n    .speras-feature-img { flex: 1 1 300px; padding: 20px; text-align: center; }\n    .speras-feature-img img { width: 100%; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); display: block; margin: 0 auto; }\n\n    \/* ========== 手机端文字防重叠修复（仅针对 ≤768px 设备） ========== *\/\n    @media (max-width: 768px) {\n        .speras-pdp-container {\n            padding: 12px !important;\n        }\n        \/* 全局断行 *\/\n        .speras-pdp-container * {\n            word-break: break-word;\n            overflow-wrap: break-word;\n        }\n        \/* Hero 区域 *\/\n        .speras-hero-banner {\n            padding: 30px 16px !important;\n        }\n        .speras-hero-banner h1 {\n            font-size: 28px !important;\n            line-height: 1.3 !important;\n        }\n        .speras-hero-banner .subtitle {\n            font-size: 15px !important;\n            line-height: 1.45 !important;\n        }\n        \/* 标题 *\/\n        .speras-section-title {\n            font-size: 24px !important;\n            margin-top: 30px !important;\n            margin-bottom: 20px !important;\n        }\n        \/* 左右图文模块：改为上下排列 *\/\n        .speras-feature-row {\n            flex-direction: column !important;\n        }\n        .speras-feature-text {\n            padding: 20px !important;\n            width: 100%;\n        }\n        .speras-feature-img {\n            padding: 0 20px 20px 20px !important;\n            width: 100%;\n        }\n        .speras-feature-text h3 {\n            font-size: 20px !important;\n            line-height: 1.4 !important;\n        }\n        .speras-feature-text p {\n            font-size: 15px !important;\n            line-height: 1.5 !important;\n        }\n        \/* 场景卡片（三个应用卡片） *\/\n        div[style*=\"display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 60px;\"] {\n            gap: 16px !important;\n        }\n        div[style*=\"display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 60px;\"] \u003e div {\n            flex: 1 1 100% !important;\n            padding: 20px !important;\n        }\n        \/* 表格区域：减小字体，保持横向滚动 *\/\n        .speras-table {\n            min-width: 480px !important;\n        }\n        .speras-table th, .speras-table td {\n            padding: 12px 12px !important;\n            font-size: 14px !important;\n        }\n        .speras-table th {\n            font-size: 14px !important;\n        }\n        \/* FAQ 折叠面板 *\/\n        details {\n            padding: 14px 16px !important;\n        }\n        details summary {\n            font-size: 16px !important;\n            line-height: 1.4 !important;\n        }\n        details p {\n            font-size: 14px !important;\n            line-height: 1.5 !important;\n        }\n        \/* 其他文本微调 *\/\n        .speras-pdp-container p, \n        .speras-pdp-container li,\n        .speras-pdp-container .subtitle {\n            font-size: 15px;\n            line-height: 1.5;\n        }\n        \/* 技术规格表格容器 *\/\n        .speras-table-wrapper {\n            margin: 20px 0;\n        }\n        \/* 卡片内图标文字 *\/\n        div[style*=\"flex: 1 1 250px\"] h3 {\n            font-size: 16px !important;\n        }\n    }\n\u003c\/style\u003e\n\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\n\u003cdiv class=\"speras-hero-banner\"\u003e\n    \u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003eHigh-Performance Power\u003c\/span\u003e\n    \u003ch1\u003eSPERAS RC26 18650 Lithium Battery\u003c\/h1\u003e\n    \u003cp class=\"subtitle\"\u003ePower your high-drain devices with confidence. The \u003cstrong style=\"color: #ea580c;\"\u003eSPERAS RC26\u003c\/strong\u003e is a premium 18650 lithium battery boasting a 2600mAh capacity. Featuring an integrated USB-C charging port and an advanced protection circuit, it delivers stable 3.7V power while ensuring maximum safety and unparalleled convenience.\u003c\/p\u003e\n    \u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n        \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 2600mAh Premium Cell\u003c\/span\u003e\n        \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔌 USB-C Direct Charge\u003c\/span\u003e\n        \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🛡️ Built-in Protection\u003c\/span\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: center; margin-bottom: 50px; max-width: 700px; margin-left: auto; margin-right: auto;\"\u003e\n    \u003cimg class=\"speras-zoom\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC26_1.jpg?v=1728976641\" alt=\"SPERAS RC26 18650 2600mAh rechargeable lithium battery front view\" style=\"width: 100%; height: auto; border-radius: 12px; box-shadow: 0 8px 25px rgba(0,0,0,0.08); display: block;\"\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eEngineered for Safety \u0026amp; Convenience\u003c\/h2\u003e\n\n\u003cdiv class=\"speras-feature-row\"\u003e\n    \u003cdiv class=\"speras-feature-text\"\u003e\n        \u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003e2600mAh Premium Capacity\u003c\/h3\u003e\n        \u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eDon't let your gear die when you need it most. The SPERAS RC26 is built with a \u003cstrong\u003epremium quality battery cell\u003c\/strong\u003e delivering a true 2600mAh capacity.\u003c\/p\u003e\n        \u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eProviding a stable 3.7 Volts, it ensures consistent, high-power output for your most demanding tactical flashlights, professional headlamps, and energy-hungry electronics.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"speras-feature-img\"\u003e\n        \u003cimg class=\"speras-zoom\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC26_2.jpg?v=1728976641\" alt=\"SPERAS RC26 18650 lithium battery side view showing 2600mAh capacity\" style=\"width: 100%; max-width: 400px; border-radius: 8px; display: block; margin: 0 auto;\"\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"speras-feature-row\" style=\"flex-direction: row-reverse;\"\u003e\n    \u003cdiv class=\"speras-feature-text\"\u003e\n        \u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eDirect USB-C Fast Charging\u003c\/h3\u003e\n        \u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eForget about carrying bulky, specialized battery chargers. The RC26 features a highly convenient \u003cstrong\u003ebuilt-in USB-C charging port\u003c\/strong\u003e.\u003c\/p\u003e\n        \u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eSimply connect it to any standard 5V\/1A or 5V\/2A adapter, power bank, or laptop to recharge your battery anywhere, anytime. It's the ultimate travel-friendly power solution.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"speras-feature-img\"\u003e\n        \u003cdiv style=\"background: #1e293b; padding: 50px 20px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); height: 100%; display: flex; flex-direction: column; justify-content: center;\"\u003e\n            \u003cp style=\"font-size: 45px; margin: 0; line-height: 1;\"\u003e🔌⚡\u003c\/p\u003e\n            \u003ch4 style=\"color: #fff; font-size: 20px; margin: 15px 0 5px 0;\"\u003eNo Charger Required\u003c\/h4\u003e\n            \u003cp style=\"color: #94a3b8; font-size: 14px; margin: 0;\"\u003eDirect 5V\/1A or 2A USB-C Input\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"speras-feature-row\"\u003e\n    \u003cdiv class=\"speras-feature-text\"\u003e\n        \u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eAdvanced Triple Protection\u003c\/h3\u003e\n        \u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eLithium battery safety is paramount. The RC26 is equipped with an \u003cstrong\u003eadvanced built-in protection circuit board (PCB)\u003c\/strong\u003e.\u003c\/p\u003e\n        \u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eThis smart chip automatically prevents \u003cstrong\u003eovercharge, over-discharge, and extreme high-current discharge\u003c\/strong\u003e, ensuring an exceptionally safe usage environment and significantly extending the battery's lifespan.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"speras-feature-img\"\u003e\n        \u003cdiv style=\"background: #fff7ed; border: 1px solid #ffedd5; padding: 50px 20px; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); height: 100%; display: flex; flex-direction: column; justify-content: center;\"\u003e\n            \u003cp style=\"font-size: 45px; margin: 0; line-height: 1;\"\u003e🛡️\u003c\/p\u003e\n            \u003ch4 style=\"color: #9a3412; font-size: 20px; margin: 15px 0 5px 0;\"\u003eSmart PCB Built-in\u003c\/h4\u003e\n            \u003cp style=\"color: #c2410c; font-size: 14px; margin: 0;\"\u003eOvercharge \u0026amp; Current Protection\u003c\/p\u003e\n        \u003c\/div\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eOne Battery, Countless Applications\u003c\/h2\u003e\n\u003cp style=\"text-align: center; color: #475569; margin-bottom: 30px; font-size: 16px;\"\u003eThe 3.7 Volt rechargeable architecture makes the RC26 perfectly compatible with a massive range of high-power devices.\u003c\/p\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 60px;\"\u003e\n    \u003cdiv style=\"flex: 1 1 250px; background: #fff; padding: 25px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center; box-shadow: 0 4px 6px rgba(0,0,0,0.02);\"\u003e\n        \u003cp style=\"font-size: 30px; margin-bottom: 10px; margin-top: 0;\"\u003e🔦\u003c\/p\u003e\n        \u003ch3 style=\"font-size: 18px; color: #0f172a; margin-top: 0; margin-bottom: 10px;\"\u003eTactical Gear\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #64748b; margin: 0;\"\u003eIdeal for high-drain LED flashlights, headlamps, and professional headlights.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex: 1 1 250px; background: #fff; padding: 25px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center; box-shadow: 0 4px 6px rgba(0,0,0,0.02);\"\u003e\n        \u003cp style=\"font-size: 30px; margin-bottom: 10px; margin-top: 0;\"\u003e📷\u003c\/p\u003e\n        \u003ch3 style=\"font-size: 18px; color: #0f172a; margin-top: 0; margin-bottom: 10px;\"\u003eElectronics\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #64748b; margin: 0;\"\u003ePerfect for digital cameras, emergency radios, smart doorbells, and small fans.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"flex: 1 1 250px; background: #fff; padding: 25px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center; box-shadow: 0 4px 6px rgba(0,0,0,0.02);\"\u003e\n        \u003cp style=\"font-size: 30px; margin-bottom: 10px; margin-top: 0;\"\u003e🏎️\u003c\/p\u003e\n        \u003ch3 style=\"font-size: 18px; color: #0f172a; margin-top: 0; margin-bottom: 10px;\"\u003eHobbies \u0026amp; Outdoor\u003c\/h3\u003e\n        \u003cp style=\"font-size: 14px; color: #64748b; margin: 0;\"\u003eReliable power for RC cars, electric toys, and outdoor solar lighting systems.\u003c\/p\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"speras-table-wrapper\" style=\"max-width: 800px; margin: 0 auto 50px auto;\"\u003e\n    \u003ctable class=\"speras-table\"\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSPERAS\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eRC26\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e18650 Rechargeable Lithium Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e2600mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eCharging Interface\u003c\/td\u003e\n\u003ctd\u003eDirect USB-C Port\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eCharging Input Support\u003c\/td\u003e\n\u003ctd\u003e5V\/1A or 5V\/2A Adapters\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eSafety Protection\u003c\/td\u003e\n\u003ctd\u003eBuilt-in PCB (Overcharge, Over-discharge, Over-current)\u003c\/td\u003e\n\u003c\/tr\u003e\n            \u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eFlashlights, Headlamps, Radios, Doorbells, Cameras, etc.\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 50px; max-width: 800px; margin-left: auto; margin-right: auto;\"\u003e\n    \u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\" open=\"\"\u003e\n        \u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eDo I need a special battery charger for the RC26?\u003c\/summary\u003e\n        \u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eNo, you do not. The SPERAS RC26 has a built-in USB-C port. You can charge it directly by plugging in a standard USB-C cable connected to a 5V\/1A or 5V\/2A adapter, power bank, or laptop. However, it is also fully compatible with traditional 18650 battery chargers if you prefer to use one.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n        \u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eIs this battery safe for high-drain flashlights?\u003c\/summary\u003e\n        \u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes. The RC26 features an advanced built-in protection board (PCB). This prevents overcharging, over-discharging, and protects against extreme current draws, making it exceptionally safe for high-drain devices like tactical flashlights and headlamps.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n        \u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eWhat devices are compatible with this 18650 battery?\u003c\/summary\u003e\n        \u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eThe SPERAS RC26 is a standard 3.7V button-top 18650 battery. It works perfectly in LED flashlights, camping headlamps, emergency radios, smart doorbells, cameras, RC cars, and any other electronics that accept standard 18650 lithium-ion cells.\u003c\/p\u003e\n    \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"Do I need a special battery charger for the RC26?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"No. The SPERAS RC26 has a built-in USB-C port. You can charge it directly by plugging in a standard USB-C cable connected to a 5V\/1A or 5V\/2A adapter, power bank, or laptop. It is also compatible with traditional 18650 battery chargers.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Is this battery safe for high-drain flashlights?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. The RC26 features an advanced built-in protection board (PCB) that prevents overcharging, over-discharging, and protects against extreme current draws.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"What devices are compatible with this 18650 battery?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"It works perfectly in LED flashlights, camping headlamps, emergency radios, smart doorbells, cameras, RC cars, and any other electronics that accept standard 3.7V button-top 18650 lithium-ion cells.\"\n        }\n      }]\n    }\n\u003c\/script\u003e\n\n\u003cdiv id=\"speras-lightbox\"\u003e\u003cimg id=\"speras-lightbox-img\" alt=\"Enlarged view of SPERAS RC26 18650 Battery\"\u003e\u003c\/div\u003e\n\u003cscript\u003e\n    document.addEventListener(\"DOMContentLoaded\", function() {\n        var lightbox = document.getElementById('speras-lightbox');\n        var lightboxImg = document.getElementById('speras-lightbox-img');\n        var images = document.querySelectorAll('.speras-zoom');\n\n        if (lightbox \u0026\u0026 lightboxImg) {\n            images.forEach(function(img) {\n                img.addEventListener('click', function(e) {\n                    e.preventDefault();\n                    lightboxImg.src = this.src;\n                    lightbox.classList.add('active');\n                    document.body.style.overflow = 'hidden';\n                });\n            });\n\n            lightbox.addEventListener('click', function() {\n                lightbox.classList.remove('active');\n                document.body.style.overflow = '';\n                setTimeout(function() {\n                    lightboxImg.src = '';\n                }, 300);\n            });\n        }\n    });\n\u003c\/script\u003e\n\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"Default Title","offer_id":44754092589233,"sku":"SPERAS RC26","price":12.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC26_2_7ca3a845-84f1-4d65-ac20-d2b505ae99e6.jpg?v=1728976704"},{"product_id":"speras-rc34-18650-battery-3400mah-with-positive-protection","title":"RC34 18650 3400mAh Rechargeable Lithium Battery","description":"\u003cdiv style=\"font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif; color: #1e293b; line-height: 1.6; max-width: 950px; margin: 0 auto;\"\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 40px 25px; border-radius: 12px; margin-bottom: 40px; text-align: center; box-shadow: 0 10px 30px rgba(0,0,0,0.15); border-bottom: 5px solid #ea580c;\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 14px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003ePremium Power Source\u003c\/span\u003e\n\u003ch1 style=\"font-size: 32px; font-weight: 900; margin: 0 0 20px 0; line-height: 1.3; color: #ffffff !important;\"\u003eSPERAS RC34: 3400mAh 18650 Rechargeable Lithium Battery\u003c\/h1\u003e\n\u003cp style=\"font-size: 17px; color: #cbd5e1 !important; max-width: 750px; margin: 0 auto;\"\u003ePower your high-drain devices with confidence. The SPERAS RC34 is a top-tier\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e 3.7V 18650\u003c\/span\u003e\u003c\/strong\u003e lithium-ion battery delivering a massive 3400mAh capacity. Engineered with an innovative positive-pole protection board and extreme impact resistance, it guarantees superior safety and an exceptionally long runtime for all your tactical and outdoor gear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: #0f172a; border-left: 5px solid #ea580c; padding-left: 15px; margin-bottom: 20px;\"\u003eWhy the SPERAS RC34 Outperforms Standard 18650s\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #475569; margin-bottom: 30px;\"\u003eNot all batteries are created equal. See how our innovative engineering protects your devices and extends your runtime compared to cheap alternatives on the market.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border: 1px solid #cbd5e1; margin-bottom: 50px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; text-align: left; min-width: 600px; background: #fff;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 16px; background: #1e293b; color: #ffffff; font-size: 16px; width: 33%;\"\u003eCritical Feature\u003c\/th\u003e\n\u003cth style=\"padding: 16px; background: #ea580c; color: #ffffff; font-size: 18px; font-weight: 900; width: 34%;\"\u003eSPERAS RC34\u003c\/th\u003e\n\u003cth style=\"padding: 16px; background: #94a3b8; color: #ffffff; font-size: 16px; width: 33%;\"\u003eStandard 18650 Battery\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background: #fffbeb;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: bold; color: #334155;\"\u003eProtection Board Location\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #b45309; font-weight: bold;\"\u003eBuilt on Positive Pole (Safer \u0026amp; Faster response)\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #64748b;\"\u003eNegative Pole (Prone to wear \u0026amp; short circuits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: bold; color: #334155;\"\u003eAnti-Drop Capabilities\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #15803d; font-weight: bold;\"\u003eTested up to 1.5 Meters\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #64748b;\"\u003eNo official drop rating (Fragile)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0; background: #f8fafc;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: bold; color: #334155;\"\u003eTrue Capacity\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #15803d; font-weight: bold;\"\u003eMassive 3400mAh Verified\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #64748b;\"\u003eOften exaggerated (Typically 2200-2600mAh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background: #ffffff;\"\u003e\n\u003ctd style=\"padding: 14px 16px; font-weight: bold; color: #334155;\"\u003eApplication Reliability\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #15803d; font-weight: bold;\"\u003eHigh-drain Tactical Gear Ready\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 16px; color: #64748b;\"\u003eBasic electronics only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 50px;\"\u003e\n\u003cdiv style=\"flex: 1 1 48%;\"\u003e\u003cimg style=\"width: 100%; border-radius: 12px; box-shadow: 0 4px 10px rgba(0,0,0,0.08);\" alt=\"SPERAS RC34 3400mAh 18650 lithium battery high capacity\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC34_1.jpg?v=1728977911\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 48%;\"\u003e\u003cimg style=\"width: 100%; border-radius: 12px; box-shadow: 0 4px 10px rgba(0,0,0,0.08);\" alt=\"SPERAS RC34 18650 battery showing advanced positive pole protection\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC34_2.jpg?v=1728977911\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: #0f172a; border-left: 5px solid #ea580c; padding-left: 15px; margin-bottom: 20px;\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; border-radius: 8px; overflow: hidden; margin-bottom: 50px; box-shadow: 0 4px 6px rgba(0,0,0,0.02);\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; text-align: left;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px 20px; font-weight: bold; color: #1e293b; width: 35%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 20px; color: #475569; font-weight: bold;\"\u003eSPERAS RC34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px 20px; font-weight: bold; color: #1e293b;\"\u003eBattery Size\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 20px; color: #475569;\"\u003e18650\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px 20px; font-weight: bold; color: #1e293b;\"\u003eChemistry\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 20px; color: #475569;\"\u003eRechargeable Lithium-ion\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px 20px; font-weight: bold; color: #1e293b;\"\u003eCapacity\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 20px; color: #ea580c; font-weight: bold;\"\u003e3400mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px 20px; font-weight: bold; color: #1e293b;\"\u003eVoltage\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 20px; color: #475569;\"\u003e3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 14px 20px; font-weight: bold; color: #1e293b;\"\u003eSafety Features\u003c\/td\u003e\n\u003ctd style=\"padding: 14px 20px; color: #15803d; font-weight: bold;\"\u003ePositive-Pole Protection Board \/ 1.5m Drop Resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; background: #fff; padding: 45px 20px; border: 2px solid #ea580c; border-radius: 12px; margin-bottom: 50px; box-shadow: 0 10px 25px rgba(234, 88, 12, 0.08);\"\u003e\n\u003cspan style=\"display: inline-block; background: #fef08a; color: #b45309; padding: 4px 12px; border-radius: 4px; font-size: 13px; font-weight: bold; text-transform: uppercase; margin-bottom: 15px;\"\u003e⚡ High-Performance Power\u003c\/span\u003e\n\u003ch2 style=\"font-size: 28px; color: #0f172a; margin-top: 0; margin-bottom: 15px; font-weight: 900;\"\u003eKeep Your Gear Running Longer\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #475569; margin-bottom: 25px; max-width: 600px; margin-left: auto; margin-right: auto;\"\u003eNever compromise on safety or runtime. Upgrade to the SPERAS RC34 3400mAh battery for your tactical flashlights and essential devices today.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; justify-content: center; gap: 20px; margin-bottom: 35px; font-size: 15px; color: #15803d; font-weight: bold;\"\u003e\n\u003cspan style=\"display: flex; align-items: center; gap: 5px;\"\u003e✅ Fast \u0026amp; Secure Shipping\u003c\/span\u003e \u003cspan style=\"display: flex; align-items: center; gap: 5px;\"\u003e✅ 100% Quality Tested\u003c\/span\u003e \u003cspan style=\"display: flex; align-items: center; gap: 5px;\"\u003e✅ Secure Checkout\u003c\/span\u003e\n\u003c\/div\u003e\n\u003ca style=\"display: inline-block; background: #ea580c; color: #fff; padding: 18px 50px; border: none; border-radius: 8px; font-weight: 900; font-size: 18px; text-transform: uppercase; cursor: pointer; box-shadow: 0 6px 20px rgba(234, 88, 12, 0.35); text-decoration: none; transition: transform 0.2s;\" href=\"#\"\u003e 🛒 Add to Cart Now \u003c\/a\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: #0f172a; border-left: 5px solid #ea580c; padding-left: 15px; margin-bottom: 25px;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 50px;\"\u003e\n\u003cdetails style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\" open=\"\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eWhy is positive-pole protection better?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eMost 18650 batteries place the protection circuit on the negative base, which can be easily damaged or shorted during rough use. The SPERAS RC34 innovatively integrates the protection board onto the positive pole, significantly reducing the risk of short circuits and providing much faster reaction times against overcharging and over-discharging.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eCan I use this in my non-SPERAS flashlight?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes! The RC34 is a standard 18650 size (3.7V) and is universally compatible with any high-drain device that accepts button-top 18650 batteries, including other flashlight brands, headlamps, radios, and cameras.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eHow do I charge the RC34 battery?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYou can charge the RC34 directly inside your SPERAS flashlight if it has a built-in USB charging port. Alternatively, you can safely use any high-quality external lithium-ion battery charger (such as the SPERAS\u003ca href=\"https:\/\/sperasflashlight.com\/products\/all4-smart-lcd-battery-charger-4-slot-aa-aaa-usb-c?_pos=1\u0026amp;_psq=all4\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"SPERAS ALL4 Smart LCD Battery Charger\" rel=\"noopener\" target=\"_blank\"\u003e \u003cspan style=\"text-decoration: underline;\"\u003eALL4\u003c\/span\u003e\u003c\/a\u003e\u003cspan style=\"text-decoration: underline;\"\u003e \u003c\/span\u003eor \u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-nl8-smart-8-slot-battery-charger-aa-aaa-usb-c?_pos=1\u0026amp;_psq=nl8\u0026amp;_ss=e\u0026amp;_v=1.0\" title=\"SPERAS NL8 AA\/AAA 1.2V\/1.5V LED Charger\" rel=\"noopener\" target=\"_blank\"\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNL8\u003c\/span\u003e\u003c\/a\u003e chargers).\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"Why is positive-pole protection better?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The SPERAS RC34 integrates the protection board onto the positive pole, significantly reducing the risk of short circuits and providing faster reaction times against overcharging and over-discharging compared to negative-pole boards.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Can I use this in my non-SPERAS flashlight?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes! The RC34 is a standard 18650 size (3.7V) and is universally compatible with any high-drain device that accepts button-top 18650 batteries.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"How do I charge the RC34 battery?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"You can charge it directly inside a flashlight with a built-in charging port, or use any high-quality external lithium-ion battery charger.\"\n        }\n      }]\n    }\n    \u003c\/script\u003e\n\u003c\/div\u003e","brand":"Speras Light","offers":[{"title":"Default Title","offer_id":44754105073841,"sku":"SPERAS RC34","price":14.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC34_1.jpg?v=1728977911"},{"product_id":"speras-s68-battery-pack-2x18650-series-for-t1k-v2","title":"S68 18650 Lithium Batteries In Series","description":"\u003cdiv style=\"font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif; color: #1e293b; line-height: 1.6; max-width: 800px; margin: 0 auto;\"\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 30px 20px; border-radius: 12px; margin-bottom: 30px; text-align: center; border-bottom: 5px solid #ea580c;\"\u003e\n\u003ch1 style=\"font-size: 28px; font-weight: 900; margin: 0 0 15px 0; line-height: 1.3; color: #ffffff !important;\"\u003eSPERAS S68: High-Performance Battery Pack\u003c\/h1\u003e\n\u003cp style=\"font-size: 16px; color: #cbd5e1 !important; max-width: 650px; margin: 0 auto;\"\u003eEngineered for maximum reliability. The S68 integrates two premium 3400mAh 18650 cells in a series configuration, delivering superior voltage stability compared to using separate loose batteries.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 40px;\"\u003e\u003cimg style=\"max-width: 100%; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05);\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/S68_6956a14e-3a18-451f-b6c4-ed8bac2151de.jpg?v=1732709314\" alt=\"SPERAS S68 battery pack optimized for T1K V2 tactical flashlight\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"background: #f8fafc; padding: 25px; border-radius: 12px; border: 1px solid #e2e8f0; margin-bottom: 30px;\"\u003e\n\u003ch2 style=\"font-size: 22px; font-weight: 800; color: #0f172a; margin-top: 0; border-bottom: 2px solid #e2e8f0; padding-bottom: 10px;\"\u003eQuick Overview\u003c\/h2\u003e\n\u003cul style=\"font-size: 16px; color: #475569; line-height: 1.8; padding-left: 20px; margin-bottom: 0;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Built with 2 × 18650 (3400mAh) high-drain cells connected in series.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eStable Output:\u003c\/strong\u003e Ensures consistent voltage and eliminates the imbalance risks commonly associated with using two separate batteries.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e\n\u003cstrong\u003eOptimized Charging:\u003c\/strong\u003e Designed for highly efficient and safe charging\/discharging cycles.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePerfect Match:\u003c\/strong\u003e Custom-engineered as the ultimate power source for the \u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-t1-v2-1400lm-1400m-type-c-charging-led-long-rang-search-tactical-hunting-flashlight?_pos=1\u0026amp;_psq=t1\u0026amp;_ss=e\u0026amp;_v=1.0\" target=\"_blank\" title=\"SPERAS T1 V2 1400LM 1400M Type C Charging LED Long Rang Search Tactical Hunting Flashlight\" rel=\"noopener\"\u003e\u003cspan style=\"color: #ea580c;\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003cb\u003e\u003cu\u003eSPERAS T1K V2 Tactical Flashlight\u003c\/u\u003e\u003c\/b\u003e\u003c\/span\u003e\u003c\/span\u003e.\u003c\/a\u003e \u003cem\u003e(Note: Click to view compatible flashlight)\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"Black v2","offer_id":46738094686385,"sku":null,"price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/S68_6956a14e-3a18-451f-b6c4-ed8bac2151de.jpg?v=1732709314"},{"product_id":"speras-aa-1-5v-lithium-battery-1800mah","title":"SPERAS AAC 1.5V Lithium Battery 1800mAh","description":"\u003cstyle\u003e\n    \/* 🏆 Bludive Universal Hero Banner \u0026 Layout Style - 手机端字体防重叠优化版 *\/\n    .speras-pdp-container {\n        font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif;\n        color: #333;\n        line-height: 1.6;\n        max-width: 950px;\n        margin: 0 auto;\n        padding: 16px;\n    }\n\n    \/* 手机端基础文字设置 - 防止字体重叠 *\/\n    @media (max-width: 768px) {\n        .speras-pdp-container {\n            padding: 12px;\n        }\n        .speras-pdp-container * {\n            max-width: 100%;\n            word-break: break-word;\n            overflow-wrap: break-word;\n        }\n    }\n\n    .speras-hero-banner {\n        background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);\n        padding: 40px 20px;\n        border-radius: 20px;\n        margin-bottom: 30px;\n        text-align: center;\n        border-bottom: 6px solid #0078D4;\n        box-shadow: 0 10px 25px rgba(0,0,0,0.15);\n    }\n\n    @media (max-width: 768px) {\n        .speras-hero-banner {\n            padding: 30px 16px;\n        }\n        .speras-hero-banner h1 {\n            font-size: 28px !important;\n            line-height: 1.3 !important;\n        }\n        .speras-hero-banner .subtitle {\n            font-size: 15px !important;\n            line-height: 1.5 !important;\n        }\n    }\n\n    .speras-hero-banner h1 {\n        font-size: 38px;\n        font-weight: 900;\n        color: #ffffff !important;\n        margin: 0 0 15px 0;\n        line-height: 1.3;\n    }\n\n    .speras-hero-banner .subtitle {\n        font-size: 18px;\n        max-width: 850px;\n        margin: 0 auto 20px auto;\n        color: #cbd5e1 !important;\n        line-height: 1.7;\n    }\n\n    \/* 表格容器 - 手机端允许滚动，防止单元格重叠 *\/\n    .speras-table-wrapper {\n        overflow-x: auto;\n        margin: 30px 0;\n        border-radius: 12px;\n        box-shadow: 0 4px 15px rgba(0,0,0,0.05);\n        border: 1px solid #e2e8f0;\n        -webkit-overflow-scrolling: touch;\n    }\n\n    .speras-table {\n        width: 100%;\n        border-collapse: collapse;\n        text-align: left;\n        background-color: #fff;\n        min-width: 500px;\n    }\n\n    @media (max-width: 768px) {\n        .speras-table {\n            min-width: 480px;\n        }\n        .speras-table th, .speras-table td {\n            padding: 12px 12px !important;\n            font-size: 14px !important;\n        }\n        .speras-table th {\n            font-size: 14px !important;\n        }\n        .speras-highlight-col {\n            font-size: 14px !important;\n        }\n    }\n\n    .speras-table th, .speras-table td {\n        padding: 16px 20px;\n        border-bottom: 1px solid #e2e8f0;\n        font-size: 16px;\n        color: #444;\n    }\n\n    .speras-table th {\n        background-color: #0f172a;\n        font-weight: bold;\n        color: #fff;\n        font-size: 16px;\n    }\n\n    .speras-table tr:hover {\n        background-color: #f0f9ff;\n    }\n\n    .speras-highlight-col {\n        background-color: #e0f2fe;\n        font-weight: bold;\n        width: 35%;\n        color: #0369a1 !important;\n    }\n\n    \/* 图文模块 - 手机端改为列向排列，避免文字挤压 *\/\n    .speras-feature-row {\n        display: flex;\n        flex-wrap: wrap;\n        background: #fafafa;\n        border-radius: 8px;\n        border: 1px solid #e2e8f0;\n        margin-bottom: 30px;\n        overflow: hidden;\n        align-items: center;\n    }\n\n    @media (max-width: 768px) {\n        .speras-feature-row {\n            flex-direction: column !important;\n        }\n        .speras-feature-text {\n            padding: 20px !important;\n            width: 100%;\n        }\n        .speras-feature-img {\n            padding: 0 20px 20px 20px !important;\n            width: 100%;\n        }\n        .speras-feature-text h3 {\n            font-size: 20px !important;\n            line-height: 1.4 !important;\n        }\n        .speras-feature-text p {\n            font-size: 15px !important;\n            line-height: 1.5 !important;\n        }\n    }\n\n    .speras-feature-text {\n        flex: 1 1 300px;\n        padding: 30px;\n    }\n\n    .speras-feature-img {\n        flex: 1 1 300px;\n        padding: 20px;\n        text-align: center;\n    }\n\n    .speras-feature-img img {\n        width: 100%;\n        border-radius: 8px;\n        box-shadow: 0 4px 15px rgba(0,0,0,0.05);\n        display: block;\n        margin: 0 auto;\n    }\n\n    \/* 手机端场景卡片优化 *\/\n    @media (max-width: 768px) {\n        .speras-section-title {\n            font-size: 24px !important;\n            margin-top: 40px !important;\n            margin-bottom: 20px !important;\n            line-height: 1.3 !important;\n        }\n        .speras-pdp-container \u003e div[style*=\"display: flex; flex-wrap: wrap; gap: 30px\"] {\n            gap: 20px !important;\n        }\n        .speras-pdp-container \u003e div[style*=\"display: flex; flex-wrap: wrap; gap: 30px\"] \u003e div {\n            flex: 1 1 100% !important;\n            padding: 20px !important;\n        }\n        .speras-pdp-container h3[style*=\"font-size: 20px\"] {\n            font-size: 18px !important;\n        }\n    }\n\n    \/* 技术规格和包装内容 - 手机端字体优化 *\/\n    @media (max-width: 768px) {\n        .speras-pdp-container div[style*=\"background: #fafafa; padding: 30px\"] {\n            padding: 20px !important;\n        }\n        .speras-pdp-container div[style*=\"background: #fff; padding: 30px\"] {\n            padding: 20px !important;\n        }\n        .speras-pdp-container ul {\n            font-size: 14px !important;\n            columns: 1 !important;\n            -webkit-columns: 1 !important;\n            -moz-columns: 1 !important;\n            padding-left: 20px !important;\n        }\n        .speras-pdp-container ul li {\n            margin-bottom: 8px;\n        }\n        .speras-pdp-container div[style*=\"border: 2px solid #0078D4\"] h2 {\n            font-size: 24px !important;\n            line-height: 1.3 !important;\n        }\n        .speras-pdp-container div[style*=\"border: 2px solid #0078D4\"] p {\n            font-size: 15px !important;\n            padding: 0 12px !important;\n        }\n        .speras-pdp-container a[href=\"#top\"] {\n            padding: 12px 24px !important;\n            font-size: 16px !important;\n            display: inline-block;\n            white-space: normal;\n            word-break: keep-all;\n        }\n    }\n\n    \/* FAQ 手机端优化 *\/\n    @media (max-width: 768px) {\n        details {\n            padding: 14px 16px !important;\n        }\n        details summary {\n            font-size: 16px !important;\n            line-height: 1.4 !important;\n        }\n        details p {\n            font-size: 14px !important;\n            line-height: 1.5 !important;\n        }\n    }\n\n    \/* Lightbox 保持不变 *\/\n    .speras-zoom {\n        cursor: zoom-in;\n        transition: transform 0.2s;\n        display: block;\n    }\n    .speras-zoom:hover {\n        transform: scale(1.02);\n    }\n    #speras-lightbox {\n        position: fixed;\n        z-index: 999999;\n        top: 0;\n        left: 0;\n        width: 100vw;\n        height: 100vh;\n        background: rgba(15, 23, 42, 0.95);\n        display: flex;\n        justify-content: center;\n        align-items: center;\n        opacity: 0;\n        visibility: hidden;\n        transition: opacity 0.3s ease;\n        cursor: zoom-out;\n    }\n    #speras-lightbox.active {\n        opacity: 1;\n        visibility: visible;\n    }\n    #speras-lightbox img {\n        max-width: 90vw;\n        max-height: 90vh;\n        border-radius: 12px;\n        box-shadow: 0 10px 40px rgba(0,0,0,0.5);\n        transform: scale(0.9);\n        transition: transform 0.3s ease;\n    }\n    #speras-lightbox.active img {\n        transform: scale(1);\n    }\n    .speras-section-title {\n        font-size: 28px;\n        font-weight: bold;\n        color: #111;\n        border-bottom: 2px solid #eee;\n        padding-bottom: 10px;\n        margin-top: 50px;\n        margin-bottom: 30px;\n        text-align: center;\n    }\n\n    \/* 额外手机端优化：针对页面中未覆盖的图文区域 *\/\n    @media (max-width: 768px) {\n        \/* 修复三个绿色卡片区域（带背景的图文模块） *\/\n        .speras-pdp-container \u003e div[style*=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px\"] {\n            flex-direction: column !important;\n        }\n        .speras-pdp-container \u003e div[style*=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px\"] \u003e div {\n            width: 100%;\n            padding: 20px !important;\n        }\n        .speras-pdp-container \u003e div[style*=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px\"] h3 {\n            font-size: 20px !important;\n            line-height: 1.4 !important;\n        }\n        .speras-pdp-container \u003e div[style*=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px\"] p {\n            font-size: 15px !important;\n            line-height: 1.5 !important;\n        }\n        \/* 确保表格内文字不会溢出 *\/\n        .speras-table-wrapper {\n            margin: 20px 0;\n        }\n        \/* 调整技术规格表格最小宽度，确保可滚动 *\/\n        .speras-table {\n            min-width: 480px;\n        }\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\u003cdiv class=\"speras-hero-banner\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003eSmart Rechargeable Power\u003c\/span\u003e\n\u003ch1\u003eSPERAS AAC 1.5V 1800mAh Lithium Battery\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003eStop throwing money away on disposable alkaline batteries. The \u003cstrong style=\"color: #ea580c;\"\u003eSPERAS AAC\u003c\/strong\u003e is a next-generation 1.5V AA lithium battery equipped with a built-in USB-C charging port. With an \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e1800mAh\u003c\/strong\u003e\u003c\/span\u003e capacity and stable \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e1.5V\u003c\/strong\u003e\u003c\/span\u003e output, it provides consistent, long-lasting power for your high-drain flashlights and everyday electronic devices.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 1800mAh Capacity\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚡ USB-C Direct Charging\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e♻️ 300+ Recharges\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 50px; max-width: 600px; margin-left: auto; margin-right: auto;\"\u003e\u003cimg style=\"width: 100%; height: auto; border-radius: 12px; box-shadow: 0 8px 25px rgba(0,0,0,0.05); display: block;\" alt=\"SPERAS AAC 1.5V 1800mAh rechargeable AA lithium battery with USB-C port\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/sperasflashlight-AAC-1.jpg?v=1742302112\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eWhy Choose SPERAS AAC Lithium Batteries?\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px; background: #fafafa; border-radius: 8px; overflow: hidden; border: 1px solid #f0f0f0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 30px;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eThe Perfect Alkaline Replacement\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eUnlike traditional Ni-MH rechargeable batteries that drop to 1.2V, the SPERAS AAC utilizes advanced Lithium technology to maintain a \u003cstrong\u003econstant 1.5V output\u003c\/strong\u003e until depleted.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eIt is the exact same size as a standard AA battery, making it the perfect drop-in replacement for flashlights, wireless mice, game controllers, and toys that demand stable, high-voltage power.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 20px;\"\u003e\u003cimg style=\"width: 100%; border-radius: 8px; display: block; margin: 0 auto;\" alt=\"SPERAS AAC 1.5V constant voltage lithium battery replacing traditional alkaline\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/sperasflashlight-AAC-6.jpg?v=1742302112\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px; background: #fafafa; border-radius: 8px; overflow: hidden; flex-direction: row-reverse; border: 1px solid #f0f0f0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 30px;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eConvenient USB-C Direct Charging\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eSay goodbye to bulky, proprietary battery chargers. The SPERAS AAC features an integrated \u003cstrong\u003eUSB-C charging port\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eSimply plug a standard USB-C cable directly into the side of the battery to charge it anywhere—using your laptop, power bank, or car charger. It also supports traditional lithium battery chargers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 20px;\"\u003e\u003cimg style=\"width: 100%; border-radius: 8px; display: block; margin: 0 auto; box-shadow: 0 4px 15px rgba(0,0,0,0.05);\" alt=\"SPERAS AAC 1.5V AA battery with convenient USB-C direct charging port\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/sperasflashlight-AAC-2.jpg?v=1742302112\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px; background: #fafafa; border-radius: 8px; overflow: hidden; border: 1px solid #f0f0f0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 30px;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eEco-Friendly \u0026amp; Cost Effective\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eBuilt with a long-lasting lithium core and an internal PCB protection board, this battery offers a phenomenal cycle life.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eEven after \u003cstrong\u003e300+ charge cycles\u003c\/strong\u003e, it retains 80% of its initial capacity. One SPERAS AAC battery can replace hundreds of disposable alkaline batteries, saving you money and protecting the environment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 20px;\"\u003e\n\u003cdiv style=\"background: #ecfdf5; border: 1px solid #d1fae5; padding: 40px; border-radius: 8px; text-align: center; color: #065f46;\"\u003e\n\u003cp style=\"font-size: 40px; margin: 0;\"\u003e♻️\u003c\/p\u003e\n\u003cp style=\"font-size: 18px; font-weight: bold; margin-top: 10px;\"\u003e≥ 300 Cycles\u003c\/p\u003e\n\u003cp style=\"font-size: 14px; margin-bottom: 0;\"\u003eSave Money, Save the Earth\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"max-width: 800px; margin: 0 auto 50px auto;\" class=\"speras-table-wrapper\"\u003e\n\u003ctable class=\"speras-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSPERAS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eAAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e1.5V AA Size Lithium battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd\u003e1800mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Voltage\u003c\/td\u003e\n\u003ctd\u003e1.5V (Constant Output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003ePower\u003c\/td\u003e\n\u003ctd\u003e2.7Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eInput Charging\u003c\/td\u003e\n\u003ctd\u003eDC5V 325mA \/ USB-C Direct\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eContinuous Output Current\u003c\/td\u003e\n\u003ctd\u003e1500mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e2000mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e50mm (+0.3~0.5mm) Length x 14mm (+0.1~0.15mm) Diameter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e19.6g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eSafety Feature\u003c\/td\u003e\n\u003ctd\u003eBuilt-in PCB Protection Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"color: #d32f2f !important;\" class=\"speras-highlight-col\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"font-weight: bold;\"\u003e1 Year (Contact us for free replacement if any issues)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 40px; max-width: 800px; margin-left: auto; margin-right: auto;\"\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eHow do I charge this battery?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYou can charge it directly using any standard USB-C cable (like the one for your phone) plugged right into the port on the side of the battery. It also works with compatible lithium battery chargers.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eIs 1.5V better than 1.2V rechargeable batteries?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes. Older Ni-MH rechargeable batteries only output 1.2V, which causes some flashlights to be dimmer or electronics to report a \"low battery\" warning even when fully charged. The SPERAS AAC maintains a constant 1.5V, perfectly mimicking a fresh alkaline battery for maximum performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eDoes it have safety protections?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eAbsolutely. It is equipped with a high-quality internal PCB protection board that prevents over-charging, over-discharging, and short-circuiting, ensuring safe operation in all your devices.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eCan I use this in any device that takes AA batteries?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, it is designed to be the exact dimensions of a standard AA battery and can be used in flashlights, remote controls, wireless mice, gamepads, and electronic toys. It supports a max output current of 2A, which is plenty for most high-drain devices.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"How do I charge this battery?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"You can charge it directly using any standard USB-C cable plugged right into the port on the side of the battery. It also works with compatible lithium battery chargers.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Is 1.5V better than 1.2V rechargeable batteries?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. The SPERAS AAC maintains a constant 1.5V, perfectly mimicking a fresh alkaline battery for maximum performance, unlike 1.2V Ni-MH batteries.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Does it have safety protections?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Absolutely. It is equipped with a high-quality internal PCB protection board that prevents over-charging, over-discharging, and short-circuiting.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Can I use this in any device that takes AA batteries?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it is the exact dimensions of a standard AA battery and can be used in flashlights, remote controls, wireless mice, and toys, supporting a max output current of 2A.\"\n        }\n      }]\n    }\n\u003c\/script\u003e\n\u003cdiv id=\"speras-lightbox\"\u003e\u003cimg alt=\"Enlarged view of SPERAS AAC Battery\" id=\"speras-lightbox-img\"\u003e\u003c\/div\u003e\n\u003cscript\u003e\n    document.addEventListener(\"DOMContentLoaded\", function() {\n        var lightbox = document.getElementById('speras-lightbox');\n        var lightboxImg = document.getElementById('speras-lightbox-img');\n        var images = document.querySelectorAll('.speras-zoom');\n\n        if (lightbox \u0026\u0026 lightboxImg) {\n            images.forEach(function(img) {\n                img.addEventListener('click', function(e) {\n                    e.preventDefault();\n                    lightboxImg.src = this.src;\n                    lightbox.classList.add('active');\n                    document.body.style.overflow = 'hidden';\n                });\n            });\n\n            lightbox.addEventListener('click', function() {\n                lightbox.classList.remove('active');\n                document.body.style.overflow = '';\n                setTimeout(function() {\n                    lightboxImg.src = '';\n                }, 300);\n            });\n        }\n    });\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"AAC  1.5V Lithium Battery 1800mAh","offer_id":45253846958257,"sku":"","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/sperasflashlight-AAC-1.jpg?v=1742302112"},{"product_id":"speras-lth35-18650-battery-3500mah-usb-c-40-c-resistant","title":"SPERAS LTH35 Low Temperature High Performance 18650 Lithium Battery 3500mAh","description":"\u003cdiv style=\"font-family: 'Inter', -apple-system, BlinkMacSystemFont, Arial, sans-serif; color: #1e293b; line-height: 1.6; max-width: 950px; margin: 0 auto;\"\u003e\n\u003cdiv style=\"background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 40px 25px; border-radius: 12px; margin-bottom: 30px; text-align: center; box-shadow: 0 10px 30px rgba(0,0,0,0.15); border-bottom: 5px solid #f59e0b;\"\u003e\n\u003cspan style=\"display: inline-block; background: #f59e0b; color: #111; padding: 6px 16px; border-radius: 20px; font-size: 14px; font-weight: 900; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003ePremium Power Supply\u003c\/span\u003e\n\u003ch1 style=\"font-size: 32px; font-weight: 900; margin: 0 0 20px 0; line-height: 1.3; color: #ffffff !important;\"\u003eSPERAS LTH35: 3500mAh High Capacity 18650 Rechargeable Li-ion Battery\u003c\/h1\u003e\n\u003cp style=\"font-size: 17px; color: #cbd5e1 !important; max-width: 750px; margin: 0 auto;\"\u003eDesigned for use in freezing conditions, the SPERAS LTH35 battery is threefold more effective than standard 18650 cells at \u003cstrong\u003e-40°C (-40°F)\u003c\/strong\u003e. Featuring a substantial 3500mAh capacity and a built-in USB-C port, it is the ultimate energy supply for demanding tactical and outdoor applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 40px;\"\u003e\u003cimg style=\"max-width: 100%; border-radius: 12px; box-shadow: 0 8px 25px rgba(0,0,0,0.08);\" alt=\"SPERAS LTH35 18650 Rechargeable Li-ion Battery with Type-C\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS3500mAhHighCapacity186503.6VRechargeableLi-ionBattery.jpg?v=1751298673\"\u003e\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; margin-bottom: 40px;\"\u003e\n\u003cdiv style=\"flex: 1 1 280px; background: #f8fafc; padding: 25px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center;\"\u003e\n\u003ch3 style=\"font-size: 20px; font-weight: 800; color: #0f172a; margin-top: 0;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e❄️ -40°C Cold Resistant\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; color: #475569;\"\u003eStandard batteries die quickly in the cold. The LTH35 is engineered to maintain stable voltage and reliable output even in extreme freezing temperatures.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 280px; background: #f8fafc; padding: 25px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center;\"\u003e\n\u003ch3 style=\"font-size: 20px; font-weight: 800; color: #0f172a; margin-top: 0;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e🔌 Direct USB-C Charging\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; color: #475569;\"\u003eNo dedicated battery charger needed. Plug a standard USB-C cable directly into the battery for fast, 1A convenient charging anywhere.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 280px; background: #f8fafc; padding: 25px; border-radius: 12px; border: 1px solid #e2e8f0; text-align: center;\"\u003e\n\u003ch3 style=\"font-size: 20px; font-weight: 800; color: #0f172a; margin-top: 0;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e⚡ 10A Max Output\u003c\/span\u003e\u003c\/h3\u003e\n\u003cp style=\"font-size: 15px; color: #475569;\"\u003eSupports a massive 10A maximum discharge current, providing stable and relentless power to high-lumen tactical flashlights without voltage sag.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: #0f172a; border-left: 5px solid #f59e0b; padding-left: 15px; margin-bottom: 20px;\"\u003eMaximize Your Gear with the SPERAS Rechargeable Li-ion Battery\u003c\/h2\u003e\n\u003cdiv style=\"background: #fff; padding: 25px; border-radius: 12px; border: 1px solid #e2e8f0; margin-bottom: 40px; box-shadow: 0 4px 10px rgba(0,0,0,0.03);\"\u003e\n\u003cp style=\"font-size: 16px; color: #475569; margin-top: 0;\"\u003eThe LTH35 is designed to flawlessly power high-drain devices. It is the perfect, factory-recommended upgrade and replacement battery for the following premium SPERAS flashlight models:\u003c\/p\u003e\n\u003cul style=\"font-size: 16px; font-weight: bold; line-height: 2.0;\"\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003e\u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-est-1900lm-211m-usb-c-rechargeable-tactical-flashlight\" target=\"_blank\" title=\"SPERAS EST 1900lm 211m USB-C Rechargeable Tactical Flashlight\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\" rel=\"noopener\"\u003eSPERAS EST\u003c\/a\u003e  \u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca style=\"color: rgb(43, 0, 255); text-decoration: underline;\" href=\"https:\/\/sperasflashlight.com\/products\/speras-est2-1900lm-211m-usb-c-rechargeable-tactical-flashlight\" target=\"_blank\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-est2-1900lm-211m-usb-c-rechargeable-tactical-flashlight\" target=\"_blank\" title=\"SPERAS EST2 1900lm 211m USB-C Rechargeable Tactical Flashlight\" style=\"color: rgb(43, 0, 255); text-decoration: underline;\" rel=\"noopener\"\u003e\u003cspan style=\"text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;\"\u003eSPERAS EST2  USB-C Rechargeable Tactical Flashlight\u003c\/span\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca style=\"color: rgb(43, 0, 255); text-decoration: underline;\" href=\"https:\/\/sperasflashlight.com\/products\/speras-est-plus-1600lm-726m-professional-tactical-police-flashlight\" target=\"_blank\"\u003eSPERAS EST PLUS V2 Professional Search Light \u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca style=\"color: rgb(43, 0, 255); text-decoration: underline;\" href=\"https:\/\/sperasflashlight.com\/products\/speras-m4-mini-type-c-flashlight-1320lm-652m-powered-by-1-pce-18350-battery\" target=\"_blank\"\u003eSSPERAS M4 Type-C Rechargeable EDC Flashlight \u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli style=\"color: rgb(43, 0, 255);\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003ca href=\"https:\/\/sperasflashlight.com\/products\/speras-sh18-versatile-headlamp-with-white-light-and-red-light\" target=\"_blank\" title=\" SPERAS SH18 2000lm Right-Angle Flashlight \u0026amp; Headlamp | 250m Throw\" style=\"color: rgb(43, 0, 255);\" rel=\"noopener\"\u003eSPERAS SH18 2000lm Right-Angle Flashlight \u0026amp; Headlamp \u003c\/a\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: #0f172a; border-left: 5px solid #f59e0b; padding-left: 15px; margin-bottom: 20px;\"\u003eHow the SPERAS LTH35 Stacks Up\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #475569; margin-bottom: 20px;\"\u003eWhy settle for generic batteries when your safety and visibility are on the line? See how the SPERAS LTH35 compares against industry standards.\u003c\/p\u003e\n\u003cdiv style=\"overflow-x: auto; border-radius: 10px; box-shadow: 0 4px 15px rgba(0,0,0,0.08); border: 1px solid #cbd5e1; margin-bottom: 50px;\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; background: #fff !important; text-align: center; min-width: 600px;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth style=\"padding: 16px; background: #1e293b !important; color: #ffffff !important; width: 25%; font-size: 16px; border-right: 1px solid #334155;\"\u003eKey Specification\u003c\/th\u003e\n\u003cth style=\"padding: 16px; background: #f59e0b !important; color: #111111 !important; width: 25%; font-size: 18px; font-weight: 900; border-right: 1px solid #d97706;\"\u003eSPERAS LTH35\u003c\/th\u003e\n\u003cth style=\"padding: 16px; background: #94a3b8 !important; color: #ffffff !important; width: 25%; font-size: 16px; border-right: 1px solid #cbd5e1;\"\u003eGeneric 18650\u003c\/th\u003e\n\u003cth style=\"padding: 16px; background: #94a3b8 !important; color: #ffffff !important; width: 25%; font-size: 16px;\"\u003eOther Premium Brands (Nitecore\/Fenix)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px; font-weight: bold; color: #334155; background: #f8fafc; border-right: 1px solid #e2e8f0;\"\u003eCapacity\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #b45309; font-weight: 900; background: #fffbeb; border-right: 1px solid #e2e8f0;\"\u003e3500mAh (True Capacity)\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #475569; background: #f1f5f9; border-right: 1px solid #e2e8f0;\"\u003eTypically 2600 - 3000mAh\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #475569; background: #f1f5f9;\"\u003e3400 - 3500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px; font-weight: bold; color: #334155; background: #ffffff; border-right: 1px solid #e2e8f0;\"\u003eCold Resistance\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #b45309; font-weight: 900; background: #ffffff; border-right: 1px solid #e2e8f0;\"\u003eExtreme (-40°C \/ -40°F)\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #475569; background: #ffffff; border-right: 1px solid #e2e8f0;\"\u003ePoor (-10°C limit)\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #475569; background: #ffffff;\"\u003eStandard (-20°C limit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 14px; font-weight: bold; color: #334155; background: #f8fafc; border-right: 1px solid #e2e8f0;\"\u003eDirect USB-C Charging\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #b45309; font-weight: 900; background: #fffbeb; border-right: 1px solid #e2e8f0;\"\u003e✅ Yes Built-in\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #475569; background: #f1f5f9; border-right: 1px solid #e2e8f0;\"\u003e❌ No\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #475569; background: #f1f5f9;\"\u003eVaries (Often Micro-USB or None)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"padding: 14px; font-weight: bold; color: #334155; background: #ffffff; border-right: 1px solid #e2e8f0;\"\u003ePrice Tier\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #b45309; font-weight: 900; background: #ffffff; border-right: 1px solid #e2e8f0;\"\u003eHigh Value\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #475569; background: #ffffff; border-right: 1px solid #e2e8f0;\"\u003eCheap\u003c\/td\u003e\n\u003ctd style=\"padding: 14px; color: #475569; background: #ffffff;\"\u003ePremium Pricing ($20+)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: rgb(15, 23, 42); border-left: 5px solid rgb(245, 158, 11); margin-bottom: 20px; text-align: center;\"\u003e  OUR Speras LTH35 Technical Specifications\u003c\/h2\u003e\n\u003cdiv style=\"border: 1px solid #e2e8f0; border-radius: 8px; overflow: hidden; margin-bottom: 50px; box-shadow: 0 4px 6px rgba(0,0,0,0.02);\"\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse; font-size: 15px; text-align: left;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b; width: 40%;\"\u003eModel\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #475569;\"\u003eLTH35\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #475569;\"\u003e3.6V 18650 Lithium-ion Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #475569;\"\u003e3500mAh \/ 12.6Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eInput Charging\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #ea580c; font-weight: bold;\"\u003e1A \/ USB-C Direct Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eContinuous Output Current\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #475569;\"\u003e5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eMax Output Current\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #475569;\"\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #ea580c; font-weight: bold;\"\u003e-40°C ~ 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #475569;\"\u003eLength: 69.43mm | Diameter: 18.4mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #f8fafc; border-bottom: 1px solid #e2e8f0;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #475569;\"\u003e50g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"background-color: #ffffff;\"\u003e\n\u003ctd style=\"padding: 12px 15px; font-weight: bold; color: #1e293b;\"\u003eWarranty\u003c\/td\u003e\n\u003ctd style=\"padding: 12px 15px; color: #475569;\"\u003e1 Year (Contact us for fast exchange\/replacement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 style=\"font-size: 26px; font-weight: 900; color: #0f172a; border-left: 5px solid #f59e0b; padding-left: 15px; margin-bottom: 25px;\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 50px;\"\u003e\n\u003cdetails style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\" open=\"\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eDo I need an external battery charger to charge the LTH35?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eNo! One of the best features of the SPERAS LTH35 Rechargeable Li-ion Battery is its built-in USB-C port. You can plug a standard Type-C cable directly into the side of the battery to charge it, making it perfect for travel and camping.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\" open=\"\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eWhy is the -40°C cold resistance important?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eStandard lithium-ion batteries lose a massive amount of their capacity and discharge capability when temperatures drop below freezing, often dying completely. The SPERAS LTH35 is engineered with specialized chemistry to maintain stable voltage down to -40°C, ensuring your flashlight works when you need it most in winter conditions.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background: #fff; padding: 20px; margin-bottom: 15px; border-radius: 8px; border: 1px solid #cbd5e1; cursor: pointer;\" open=\"\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: 800; color: #1e293b; outline: none;\"\u003eCan I use this 18650 battery in non-SPERAS flashlights?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 15px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes. As long as your device accepts standard \"button-top\" 18650 batteries and supports a 69.4mm length (which accounts for the built-in protection and USB-C circuitry), the SPERAS LTH35 will provide exceptional high-drain performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"Do I need an external battery charger to charge the LTH35?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"No! The SPERAS LTH35 Rechargeable Li-ion Battery has a built-in USB-C port, allowing you to charge it directly with a standard Type-C cable without needing an external charger.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Why is the -40°C cold resistance important?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Standard lithium-ion batteries lose capacity rapidly in freezing temperatures. The SPERAS LTH35 is engineered to maintain stable voltage and output even at -40°C, ensuring reliable performance in harsh winter conditions.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Can I use this 18650 battery in non-SPERAS flashlights?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes. As long as the device accepts a standard button-top 18650 battery and accommodates the 69.4mm length, the SPERAS LTH35 will work flawlessly.\"\n        }\n      }]\n    }\n    \u003c\/script\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"LTH35 3500mAh 18650 3.6V Li-ion Battery","offer_id":45816102158513,"sku":null,"price":25.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS3500mAhHighCapacity186503.6VRechargeableLi-ionBattery.jpg?v=1751298673"},{"product_id":"speras-s34-18650-rechargeable-lithium-battery-3400mah","title":"SPERAS S34 18650 Rechargeable Lithium Battery | 3400mAh","description":"\u003cstyle\u003e\n    \/* 🏆 Speras Universal Hero Banner \u0026 Layout Style *\/\n    .speras-pdp-container { font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: 0 auto; padding: 20px; }\n    .speras-hero-banner { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 50px 30px; border-radius: 20px; margin-bottom: 40px; text-align: center; border-bottom: 6px solid #ea580c; box-shadow: 0 10px 25px rgba(0,0,0,0.15); }\n    .speras-hero-banner h1 { font-size: 38px; font-weight: 900; color: #ffffff !important; margin: 0 0 15px 0; line-height: 1.3; }\n    .speras-hero-banner .subtitle { font-size: 18px; max-width: 850px; margin: 0 auto 20px auto; color: #cbd5e1 !important; line-height: 1.7; }\n    \n    \/* Comparison Table \/ Formatting *\/\n    .speras-table-wrapper { overflow-x: auto; margin: 40px 0; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border: 1px solid #e2e8f0; }\n    .speras-table { width: 100%; border-collapse: collapse; text-align: left; background-color: #fff; min-width: 600px; }\n    .speras-table th, .speras-table td { padding: 16px 20px; border-bottom: 1px solid #e2e8f0; font-size: 16px; color: #444; }\n    .speras-table th { background-color: #0f172a; font-weight: bold; color: #fff; font-size: 16px; }\n    .speras-table tr:hover { background-color: #f9fafb; }\n    .speras-highlight-col { background-color: #fff7ed; font-weight: bold; width: 35%; color: #c2410c !important; }\n\n    \/* Lightbox and Hover Effects (替换为安全居中版，防止手机端图片置顶) *\/\n    .speras-zoom { cursor: zoom-in; transition: transform 0.2s; display: block; }\n    .speras-zoom:hover { transform: scale(1.02); }\n    #speras-lightbox { position: fixed; z-index: 999999; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15, 23, 42, 0.95); display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease; cursor: zoom-out; padding: 15px; box-sizing: border-box; }\n    #speras-lightbox.active { opacity: 1; visibility: visible; }\n    #speras-lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s ease; }\n    #speras-lightbox.active img { transform: scale(1); }\n\n    \/* Layout Elements *\/\n    .speras-section-title { font-size: 28px; font-weight: bold; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 50px; margin-bottom: 30px; text-align: center; }\n\n    \/* ========================================================= *\/\n    \/* 📱 移动端防重叠修复补丁 (纯 CSS 拦截) *\/\n    \/* ========================================================= *\/\n    @media screen and (max-width: 850px) {\n        .speras-pdp-container { padding: 10px !important; overflow: hidden !important; box-sizing: border-box !important; }\n        .speras-pdp-container .speras-hero-banner { padding: 30px 15px !important; height: auto !important; }\n        \n        \/* 强制打散所有横向排版的左右图文模块，变更为上下单列 *\/\n        .speras-pdp-container div[style*=\"display: flex\"] { display: block !important; }\n        .speras-pdp-container div[style*=\"flex: 1\"] { \n            display: block !important; \n            width: 100% !important; \n            max-width: 100% !important; \n            margin-bottom: 20px !important; \n            padding: 15px !important; \n            height: auto !important; \n            box-sizing: border-box !important; \n        }\n\n        \/* 强制释放所有文本元素，消灭文字重叠和不换行现象 *\/\n        .speras-pdp-container h1, .speras-pdp-container h2, .speras-pdp-container h3, \n        .speras-pdp-container p, .speras-pdp-container span, .speras-pdp-container li,\n        .speras-pdp-container summary, .speras-pdp-container table, .speras-pdp-container th, .speras-pdp-container td {\n            white-space: normal !important;\n            word-wrap: break-word !important;\n            word-break: break-word !important;\n            overflow-wrap: anywhere !important; \n            line-height: 1.5 !important;\n            height: auto !important;\n            max-height: none !important;\n        }\n        \n        .speras-pdp-container h1 { font-size: 24px !important; line-height: 1.4 !important; margin-bottom: 15px !important; }\n        .speras-pdp-container .speras-section-title { font-size: 22px !important; line-height: 1.4 !important; margin-top: 30px !important; margin-bottom: 20px !important; }\n        .speras-pdp-container img { max-width: 100% !important; height: auto !important; }\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\u003cdiv class=\"speras-hero-banner\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003eHigh-Performance Power Cell\u003c\/span\u003e\n\u003ch1\u003eSPERAS S34: 18650 3400mAh Lithium Battery\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003eThe \u003cstrong style=\"color: #ea580c;\"\u003eSPERAS S34\u003c\/strong\u003e is a high-performance 18650 lithium battery with a massive \u003cstrong\u003e3400mAh capacity\u003c\/strong\u003e, delivering long-lasting power for your devices. Designed for reliability, it supports a continuous output current of \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e5A\u003c\/strong\u003e\u003c\/span\u003e and a maximum current of \u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e8A\u003c\/span\u003e\u003c\/strong\u003e, making it ideal for high-power applications and tactical gear.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 3400mAh Capacity\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚡ 8A Max Output\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🛡️ Protection Circuit\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 50px;\"\u003e\u003cimg style=\"max-width: 650px; width: 100%; height: auto; border-radius: 12px; box-shadow: 0 8px 25px rgba(0,0,0,0.05); margin: 0 auto; display: block;\" alt=\"SPERAS S34 3400mAh 18650 rechargeable lithium battery high performance\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_S34_3400mAh_18650_Lithium_Battery-3.jpg?v=1770100744\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eEngineered for Reliable Performance\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px; background: #fafafa; border-radius: 8px; overflow: hidden; border: 1px solid #f0f0f0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 30px;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eMassive 3400mAh Capacity\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003ePower your equipment longer. The SPERAS S34 boasts an impressive \u003cstrong\u003e3400mAh (12.58Wh)\u003c\/strong\u003e energy reserve inside a standard 18650 form factor. It provides extended runtimes, reducing the need for frequent recharges during long outdoor trips or demanding shifts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 20px;\"\u003e\u003cimg style=\"width: 100%; border-radius: 8px; display: block; margin: 0 auto;\" alt=\"High capacity 3400mAh 18650 lithium battery for flashlights and outdoor gear\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_S34_3400mAh_18650_Lithium_Battery-1.jpg?v=1770100758\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px; background: #fafafa; border-radius: 8px; overflow: hidden; flex-direction: row-reverse; border: 1px solid #f0f0f0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 30px;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eAdvanced Protection Circuit\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eSafety is paramount. Built with an advanced internal protection circuit board, the S34 effectively guards against \u003cstrong\u003eovercharge, over-discharge, and over-current\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eIt securely supports a continuous output current of 5A and a maximum burst of 8A, ensuring reliable and safe operation at all times.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 20px;\"\u003e\u003cimg style=\"width: 100%; border-radius: 8px; display: block; margin: 0 auto;\" alt=\"SPERAS S34 18650 battery built with an advanced protection circuit board\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_S34_3400mAh_18650_Lithium_Battery-2.jpg?v=1770100772\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px; background: #fafafa; border-radius: 8px; overflow: hidden; border: 1px solid #f0f0f0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 30px;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eSafe \u0026amp; Organized Storage\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eLithium batteries should never be carried loose. Keep your batteries organized and safe from accidental short circuits with dedicated plastic storage cases, perfect for throwing into your EDC bag, camping backpack, or tactical pouch.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 20px; display: flex; gap: 15px;\"\u003e\n\u003cimg style=\"width: 48%; border-radius: 8px; display: block;\" alt=\"SPERAS S34 18650 battery in a protective single storage case\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_S34_3400mAh_18650_Lithium_Battery-4.jpg?v=1770100784\" class=\"speras-zoom\"\u003e \u003cimg style=\"width: 48%; border-radius: 8px; display: block;\" alt=\"Two SPERAS S34 18650 batteries securely stored in a clear dual case\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_S34_3400mAh_18650_Lithium_Battery-5.jpg?v=1770100797\" class=\"speras-zoom\"\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eTechnical Details\u003c\/h2\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 30px; align-items: stretch; margin-bottom: 50px;\"\u003e\n\u003cdiv style=\"flex: 1 1 500px;\"\u003e\n\u003cdiv style=\"margin-top: 0;\" class=\"speras-table-wrapper\"\u003e\n\u003ctable class=\"speras-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSPERAS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eS34\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e3.7V 18650 Lithium battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd\u003e3400mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Voltage\u003c\/td\u003e\n\u003ctd\u003e3.7V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003ePower\u003c\/td\u003e\n\u003ctd\u003e12.58Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eContinue Output Current\u003c\/td\u003e\n\u003ctd\u003e5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e8A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eDimensions (Length x Diameter)\u003c\/td\u003e\n\u003ctd\u003e69.06mm (+0.3~0.5mm) x 18.42mm (+0.1~0.15mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e48.4g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eGross Weight\u003c\/td\u003e\n\u003ctd\u003e56.2g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 year; If any problem, please contact us to exchange or get a new one.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; display: flex; align-items: center; justify-content: center; background: #fafafa; border-radius: 12px; border: 1px solid #e2e8f0; padding: 20px;\"\u003e\u003cimg style=\"width: 100%; border-radius: 8px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); display: block;\" alt=\"SPERAS S34 18650 lithium-ion batteries organized in a storage box\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_S34_3400mAh_18650_Lithium_Battery-6.jpg?v=1770100810\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 40px;\"\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eIs the SPERAS S34 battery rechargeable?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, it is a high-performance 3.7V 18650 rechargeable lithium-ion battery. Please use a compatible high-quality charger for safe operation and maximum longevity.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eDoes the battery have safety protections?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eAbsolutely. It is built with an advanced internal protection circuit that effectively guards against overcharge, over-discharge, and over-current, ensuring reliable and safe operation at all times.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eWhat devices is this battery suitable for?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eThe S34 is ideal for high-performance flashlights, tactical gear, headlamps, and any electronic devices that support standard button-top 18650 batteries.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eWhat is the maximum output current?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eThe battery supports a stable continuous output current of 5A, with a maximum output capability of up to 8A for short bursts.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"Is the SPERAS S34 battery rechargeable?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it is a high-performance 3.7V 18650 rechargeable lithium-ion battery. Please use a compatible high-quality charger for safe operation and maximum longevity.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Does the battery have safety protections?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Absolutely. It is built with an advanced internal protection circuit that effectively guards against overcharge, over-discharge, and over-current.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"What devices is this battery suitable for?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The S34 is ideal for high-performance flashlights, tactical gear, headlamps, and any electronic devices that support standard button-top 18650 batteries.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"What is the maximum output current?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The battery supports a stable continuous output current of 5A, with a maximum output capability of up to 8A for short bursts.\"\n        }\n      }]\n    }\n\u003c\/script\u003e\n\u003cdiv id=\"speras-lightbox\"\u003e\u003cimg alt=\"Enlarged view of SPERAS S34\" id=\"speras-lightbox-img\"\u003e\u003c\/div\u003e\n\u003cscript\u003e\n    document.addEventListener(\"DOMContentLoaded\", function() {\n        var lightbox = document.getElementById('speras-lightbox');\n        var lightboxImg = document.getElementById('speras-lightbox-img');\n        var images = document.querySelectorAll('.speras-zoom');\n\n        if (lightbox \u0026\u0026 lightboxImg) {\n            images.forEach(function(img) {\n                img.addEventListener('click', function(e) {\n                    e.preventDefault();\n                    lightboxImg.src = this.src;\n                    lightbox.classList.add('active');\n                    document.body.style.overflow = 'hidden';\n                });\n            });\n\n            lightbox.addEventListener('click', function() {\n                lightbox.classList.remove('active');\n                document.body.style.overflow = '';\n                setTimeout(function() {\n                    lightboxImg.src = '';\n                }, 300);\n            });\n        }\n    });\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"Black \/ 18650 \/ SPERAS S34 3400mAh 18650 Lithium Battery","offer_id":46633077735601,"sku":null,"price":13.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERASS343400mAh18650LithiumBattery-2.jpg?v=1770100828"},{"product_id":"speras-lth45-21700-lithium-batter-cold-weather-battery-flashlight-battery","title":"SPERAS LTH45 4500mAh 21700 Low Temperature Lithium Battery","description":"\u003cstyle\u003e\n    \/* 🏆 Speras Universal Hero Banner \u0026 Layout Style *\/\n    .speras-pdp-container { font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: 0 auto; padding: 20px; box-sizing: border-box; }\n    .speras-hero-banner { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 50px 30px; border-radius: 20px; margin-bottom: 40px; text-align: center; border-bottom: 6px solid #ea580c; box-shadow: 0 10px 25px rgba(0,0,0,0.15); }\n    .speras-hero-banner h1 { font-size: 38px; font-weight: 900; color: #ffffff !important; margin: 0 0 15px 0; line-height: 1.3; }\n    .speras-hero-banner .subtitle { font-size: 18px; max-width: 850px; margin: 0 auto 20px auto; color: #cbd5e1 !important; line-height: 1.7; }\n    \n    \/* Comparison Table \/ Formatting *\/\n    .speras-table-wrapper { overflow-x: auto; margin: 40px 0; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border: 1px solid #e2e8f0; }\n    .speras-table { width: 100%; border-collapse: collapse; text-align: left; background-color: #fff; min-width: 600px; }\n    .speras-table th, .speras-table td { padding: 16px 20px; border-bottom: 1px solid #e2e8f0; font-size: 16px; color: #444; }\n    .speras-table th { background-color: #0f172a; font-weight: bold; color: #fff; font-size: 16px; }\n    .speras-table tr:hover { background-color: #f9fafb; }\n    .speras-highlight-col { background-color: #fff7ed; font-weight: bold; width: 35%; color: #c2410c !important; }\n\n    \/* Lightbox and Hover Effects (替换为安全居中版，防止手机端图片置顶) *\/\n    .speras-zoom { cursor: zoom-in; transition: transform 0.2s; display: block; }\n    .speras-zoom:hover { transform: scale(1.02); }\n    #speras-lightbox { position: fixed; z-index: 999999; top: 0; left: 0; right: 0; bottom: 0; background: rgba(15, 23, 42, 0.95); display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease; cursor: zoom-out; padding: 15px; box-sizing: border-box; }\n    #speras-lightbox.active { opacity: 1; visibility: visible; }\n    #speras-lightbox img { max-width: 100%; max-height: 100%; object-fit: contain; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s ease; }\n    #speras-lightbox.active img { transform: scale(1); }\n\n    \/* Layout Elements *\/\n    .speras-section-title { font-size: 28px; font-weight: bold; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 50px; margin-bottom: 30px; text-align: center; }\n\n    \/* ========================================================= *\/\n    \/* 📱 移动端防重叠修复补丁 (纯 CSS 拦截) *\/\n    \/* ========================================================= *\/\n    @media screen and (max-width: 850px) {\n        .speras-pdp-container { padding: 10px !important; overflow: hidden !important; box-sizing: border-box !important; }\n        .speras-pdp-container .speras-hero-banner { padding: 30px 15px !important; height: auto !important; }\n        \n        \/* 强制打散所有横向排版的左右图文模块，变更为上下单列 *\/\n        .speras-pdp-container div[style*=\"display: flex\"] { display: block !important; }\n        .speras-pdp-container div[style*=\"flex: 1\"] { \n            display: block !important; \n            width: 100% !important; \n            max-width: 100% !important; \n            margin-bottom: 20px !important; \n            padding: 15px !important; \n            height: auto !important; \n            box-sizing: border-box !important; \n        }\n\n        \/* 强制释放所有文本元素，消灭文字重叠和不换行现象 *\/\n        .speras-pdp-container h1, .speras-pdp-container h2, .speras-pdp-container h3, \n        .speras-pdp-container p, .speras-pdp-container span, .speras-pdp-container li,\n        .speras-pdp-container summary, .speras-pdp-container table, .speras-pdp-container th, .speras-pdp-container td {\n            white-space: normal !important;\n            word-wrap: break-word !important;\n            word-break: break-word !important;\n            overflow-wrap: anywhere !important; \n            line-height: 1.5 !important;\n            height: auto !important;\n            max-height: none !important;\n        }\n        \n        .speras-pdp-container h1 { font-size: 24px !important; line-height: 1.4 !important; margin-bottom: 15px !important; }\n        .speras-pdp-container .speras-section-title { font-size: 22px !important; line-height: 1.4 !important; margin-top: 30px !important; margin-bottom: 20px !important; }\n        .speras-pdp-container img { max-width: 100% !important; height: auto !important; }\n    }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\u003cdiv class=\"speras-hero-banner\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px;\"\u003eExtreme Environment Power Cell\u003c\/span\u003e\n\u003ch1\u003eSPERAS LTH45 21700 Battery – 4500mAh Cold Resistant Power\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003e🔋 Designed for extreme environments, the \u003cspan style=\"color: #ea580c; font-weight: bold;\"\u003eSPERAS LTH45 Lithium Battery\u003c\/span\u003e delivers reliable performance even in freezing conditions. Compared to standard \u003cstrong\u003e21700 lithium batteries\u003c\/strong\u003e, it performs up to \u003cstrong\u003e3× better at \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e-40°C\/°F\u003c\/span\u003e\u003c\/strong\u003e, making it an ideal power solution for outdoor gear, tactical flashlights, and harsh-weather applications.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e❄️ Rated to -40°C\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 4500mAh Capacity\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔌 Integrated USB-C\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eWhy Choose SPERAS LTH45?\u003c\/h2\u003e\n\u003cdiv style=\"background: #fafafa; padding: 30px; border-radius: 12px; border: 1px solid #e2e8f0; margin-bottom: 50px;\"\u003e\n\u003cul style=\"font-size: 17px; color: #475569; padding-left: 20px; line-height: 2.2; margin-bottom: 0; font-weight: 500;\"\u003e\n\u003cli\u003e❄️ Outstanding performance in extreme cold (-40°C \/ -40°F)\u003c\/li\u003e\n\u003cli\u003e🔋 High-capacity 4500mAh for longer runtime\u003c\/li\u003e\n\u003cli\u003e⚡ Stable output for high-drain devices (10A Max)\u003c\/li\u003e\n\u003cli\u003e🔌 Convenient direct USB-C charging support\u003c\/li\u003e\n\u003cli\u003e🛠️ Reliable SPERAS quality and safety standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px; background: #fafafa; border-radius: 8px; overflow: hidden; border: 1px solid #f0f0f0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 30px;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003eDefeat the Freeze: Rated to -40°C\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eStandard lithium batteries fail quickly when the temperature drops. The SPERAS LTH45 is specifically engineered for low-temperature environments, performing reliably where other power cells shut down.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003eAs shown in the performance data, LTH45 delivers stable voltage and runtime even at \u003cstrong\u003e-40°C (-40°F)\u003c\/strong\u003e, ensuring your tactical lights and outdoor gear stay running when you need them most.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 20px;\"\u003e\u003cimg style=\"width: 100%; border-radius: 8px; display: block; margin: 0 auto;\" alt=\"21700 battery cold weather performance graph SPERAS LTH45 vs standard battery at -40C\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_LTH45_4500mAh_21700_Low_Temperature_Lithium_Battery-2_600x600.jpg?v=1770101840\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"display: flex; flex-wrap: wrap; align-items: center; margin-bottom: 40px; background: #fafafa; border-radius: 8px; overflow: hidden; flex-direction: row-reverse; border: 1px solid #f0f0f0;\"\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 30px;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0;\"\u003e4500mAh Capacity \u0026amp; Integrated USB-C Charging\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 15px;\"\u003eWith a robust \u003cstrong\u003e4500mAh capacity\u003c\/strong\u003e, this battery provides stable energy output (5A Continuous \/ 10A Max) for high-performance flashlights and devices that demand reliable energy in harsh conditions.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; margin-bottom: 0;\"\u003e🔋 The innovative integrated \u003cstrong\u003eUSB-C charging port\u003c\/strong\u003e eliminates the need for a separate charger, offering a convenient and efficient recharging method wherever power is available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"flex: 1 1 300px; padding: 20px;\"\u003e\u003cimg style=\"width: 100%; border-radius: 8px; display: block; margin: 0 auto;\" alt=\"SPERAS LTH45 4500mAh 21700 battery wrap showcasing integrated USB-C charging port\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERAS_LTH45_4500mAh_21700_Low_Temperature_Lithium_Battery-1_600x600.jpg?v=1770101828\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eEngineered Specifications: Technical Details\u003c\/h2\u003e\n\u003cdiv class=\"speras-table-wrapper\"\u003e\n\u003ctable class=\"speras-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eSPERAS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003eLTH45\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e21700 Lithium Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e4500mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e3.6V (Power: 12.6Wh)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eCharging\u003c\/td\u003e\n\u003ctd\u003eUSB-C (1A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eContinuous Output\u003c\/td\u003e\n\u003ctd\u003e5A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eMax Output\u003c\/td\u003e\n\u003ctd\u003e10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eWorking Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to 60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eLength\u003c\/td\u003e\n\u003ctd\u003e75mm (+0.3~0.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e21.4mm (+0.1~0.15mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eNet Weight\u003c\/td\u003e\n\u003ctd\u003e71.1g (Gross: 78.8g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 40px 20px; border: 2px solid #ea580c; border-radius: 12px; text-align: center; margin: 50px 0; box-shadow: 0 10px 25px rgba(234, 88, 12, 0.08);\"\u003e\n\u003ch2 style=\"font-size: 28px; color: #0f172a; margin-top: 0; margin-bottom: 15px; font-weight: 900;\"\u003eEquip Your Extreme Gear\u003c\/h2\u003e\n\u003cp style=\"font-size: 16px; color: #475569; margin-bottom: 25px; max-width: 650px; margin-left: auto; margin-right: auto;\"\u003esettle for standard power cells that fail in the cold. Upgrade to the SPERAS LTH45 and experience 3× better performance at -40°C with integrated USB-C convenience.\u003c\/p\u003e\n\u003ca style=\"display: inline-block; background: #ea580c; color: #fff; padding: 16px 40px; border-radius: 8px; font-weight: 900; font-size: 18px; text-transform: uppercase; box-shadow: 0 6px 20px rgba(234, 88, 12, 0.35); text-decoration: none; transition: background 0.3s ease;\" href=\"#top\"\u003e🛒 Select Options \u0026amp; Add To Cart\u003c\/a\u003e\n\u003cp style=\"font-size: 14px; color: #64748b; margin-top: 15px; font-weight: bold;\"\u003eSecure Checkout | Speras Official Warranty\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 40px;\"\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eCan this lithium battery be used in extreme cold weather?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, the SPERAS LTH45 is specifically designed for low-temperature environments and performs reliably even at -40°C \/ -40°F.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eIs this battery compatible with all 21700 devices?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eIt is compatible with most devices that support standard 21700 lithium batteries. However, it is a protected, long-cell (75mm), so always check your device's physical space and voltage specifications before use.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eDoes the battery support direct USB-C charging?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, the battery supports direct USB-C charging via the built-in port for convenient and efficient recharging.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eWhat devices is this battery best suited for?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eThis battery is ideal for high-performance tactical flashlights, outdoor gear used by hikers and mountaineers, and any high-drain devices used in cold environments.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 15px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; color: #0f172a; outline: none;\"\u003eIs it safe for high-drain applications?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, with a maximum output of 10A and a stable voltage curve, it is suitable for high-current devices requiring dependable performance.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"Can this lithium battery be used in extreme cold weather?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, the SPERAS LTH45 is specifically designed for low-temperature environments and performs reliably even at -40°C \/ -40°F.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Is this battery compatible with all 21700 devices?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"It is compatible with most devices that support standard 21700 lithium batteries. However, it is a protected, long-cell (75mm), so always check your device specifications before use.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Does the battery support direct USB-C charging?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, the battery supports USB-C charging for convenient and efficient recharging.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"What devices is this battery best suited for?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"This battery is ideal for high-performance tactical flashlights, outdoor gear, and any devices used in cold environments.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Is it safe for high-drain applications?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, with a maximum output of 10A, it is suitable for high-current devices requiring stable performance.\"\n        }\n      }]\n    }\n\u003c\/script\u003e\n\u003cdiv id=\"speras-lightbox\"\u003e\u003cimg alt=\"Enlarged product image\" id=\"speras-lightbox-img\"\u003e\u003c\/div\u003e\n\u003cscript\u003e\n    document.addEventListener(\"DOMContentLoaded\", function() {\n        var lightbox = document.getElementById('speras-lightbox');\n        var lightboxImg = document.getElementById('speras-lightbox-img');\n        var images = document.querySelectorAll('.speras-zoom');\n\n        if (lightbox \u0026\u0026 lightboxImg) {\n            images.forEach(function(img) {\n                img.addEventListener('click', function(e) {\n                    e.preventDefault();\n                    lightboxImg.src = this.src;\n                    lightbox.classList.add('active');\n                    document.body.style.overflow = 'hidden';\n                });\n            });\n\n            lightbox.addEventListener('click', function() {\n                lightbox.classList.remove('active');\n                document.body.style.overflow = '';\n                setTimeout(function() {\n                    lightboxImg.src = '';\n                }, 300);\n            });\n        }\n    });\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"SPERAS","offers":[{"title":"Black \/ SPERAS LTH45","offer_id":46633093922993,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/SPERASLTH454500mAh21700LowTemperatureLithiumBattery-1.jpg?v=1770101850"},{"product_id":"speras-rc14-14500-battery-920mah-battery-lithium-ion-battery-rechargeable-battery-flashlight-battery","title":"SPERAS RC14 920mAh 14500 Rechargeable Lithium Battery","description":"\u003cstyle\u003e\n    \/* 🏆 Speras Universal Hero Banner \u0026 Layout Style *\/\n    .speras-pdp-container { font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif; 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\/* 破解主题的强制高度压缩 *\/\n            box-sizing: border-box !important;\n        }\n        \n        .speras-pdp-container .speras-hero-banner h1 {\n            font-size: 24px !important;\n            line-height: 1.4 !important;\n            margin-bottom: 15px !important;\n        }\n        \n        .speras-pdp-container .speras-section-title {\n            font-size: 22px !important;\n            line-height: 1.4 !important;\n            margin-top: 30px !important;\n            margin-bottom: 20px !important;\n        }\n        \n        \/* 保证图片不超出屏幕 *\/\n        .speras-pdp-container img {\n            max-width: 100% !important;\n            height: auto !important;\n        }\n    }\n\u003c\/style\u003e\n\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\n\u003cdiv class=\"speras-hero-banner\"\u003e\n    \u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px;\"\u003eCompact Rechargeable Power Solution\u003c\/span\u003e\n    \u003ch1\u003eSPERAS RC14: 14500 920mAh Lithium Battery\u003c\/h1\u003e\n    \u003cp class=\"subtitle\"\u003eThe \u003cstrong style=\"color: #ea580c;\"\u003eSPERAS RC14 14500 lithium battery\u003c\/strong\u003e 🔋 is designed for compact devices that require stable and efficient power. With a capacity of \u003cstrong\u003e920mAh\u003c\/strong\u003e and a \u003cstrong\u003e3.7V\u003c\/strong\u003e output, it delivers reliable performance for small flashlights and other portable electronics.\u003c\/p\u003e\n    \u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n        \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 920mAh Capacity\u003c\/span\u003e\n        \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚡ 3A-5A Output\u003c\/span\u003e\n        \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🛡️ Safe for EDC\u003c\/span\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: center; margin-bottom: 50px;\"\u003e\n    \u003cimg class=\"speras-zoom\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC14-1.jpg?v=1770833209\" alt=\"SPERAS RC14 920mAh 14500 Rechargeable Lithium-ion Battery angled view\" style=\"max-width: 500px; width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin: 0 auto; display: block;\"\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eEngineered for Daily Reliability\u003c\/h2\u003e\n\u003cdiv class=\"speras-grid-2\"\u003e\n    \u003cdiv style=\"background: #fafafa; padding: 30px; border-radius: 8px; border: 1px solid #f0f0f0;\"\u003e\n        \u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0; margin-bottom: 20px;\"\u003eCompact Size, Built-in Protection\u003c\/h3\u003e\n        \u003cp style=\"font-size: 16px; color: #555; margin-bottom: 15px;\"\u003eEquipped with built-in overcharge and over-discharge protection ⚙️, the \u003cstrong\u003eSPERAS RC14 battery\u003c\/strong\u003e ensures safe operation and extended cycle life.\u003c\/p\u003e\n        \u003cp style=\"font-size: 16px; color: #555; margin-bottom: 0;\"\u003eIts compact size and durable, impact-resistant construction make it perfectly suited for everyday carry (EDC) devices and other high-drain applications requiring steady voltage.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \n    \u003cdiv style=\"background: #fff; padding: 30px; border-radius: 8px; border: 1px solid #e0e0e0; box-shadow: 0 2px 10px rgba(0,0,0,0.02);\"\u003e\n        \u003ch3 style=\"font-size: 22px; font-weight: bold; color: #111; margin-top: 0; margin-bottom: 20px;\"\u003eKey Specifications\u003c\/h3\u003e\n        \u003cul style=\"font-size: 16px; line-height: 1.8; color: #444; list-style: none; padding: 0; margin: 0;\"\u003e\n            \u003cli style=\"margin-bottom: 10px;\"\u003e🏷️ \u003cstrong\u003eBrand \/ Model:\u003c\/strong\u003e SPERAS RC14\u003c\/li\u003e\n            \u003cli style=\"margin-bottom: 10px;\"\u003e🔋 \u003cstrong\u003eCapacity:\u003c\/strong\u003e 920mAh\u003c\/li\u003e\n            \u003cli style=\"margin-bottom: 10px;\"\u003e⚡ \u003cstrong\u003eVoltage:\u003c\/strong\u003e 3.7V\u003c\/li\u003e\n            \u003cli style=\"margin-bottom: 10px;\"\u003e🚀 \u003cstrong\u003eDischarge Current:\u003c\/strong\u003e 3A Continuous (Max 5A)\u003c\/li\u003e\n            \u003cli\u003e🛡️ \u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 year (contact us for support or replacement)\u003c\/li\u003e\n        \u003c\/ul\u003e\n    \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; margin-bottom: 50px;\"\u003e\n    \u003cimg class=\"speras-zoom\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC14-2.jpg?v=1770833221\" alt=\"SPERAS RC14 14500 battery highlighting 920mAh capacity and 3.7V output\" style=\"flex: 1 1 300px; width: 100%; max-width: 48%; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); object-fit: cover;\"\u003e\n    \u003cimg class=\"speras-zoom\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC14-3.jpg?v=1770833232\" alt=\"SPERAS RC14 EDC flashlight battery side profile with logo\" style=\"flex: 1 1 300px; width: 100%; max-width: 48%; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); object-fit: cover;\"\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eTechnical Details\u003c\/h2\u003e\n\u003cdiv class=\"speras-table-wrapper\"\u003e\n    \u003ctable class=\"speras-table\"\u003e\n        \u003ctbody\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eModel\u003c\/td\u003e\n                \u003ctd\u003eRC14\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eBattery Type\u003c\/td\u003e\n                \u003ctd\u003e3.7V 14500 Lithium battery\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eBattery Capacity\u003c\/td\u003e\n                \u003ctd\u003e920 mAh\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eBattery Voltage\u003c\/td\u003e\n                \u003ctd\u003e3.7 V\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eEnergy\u003c\/td\u003e\n                \u003ctd\u003e3.404 Wh\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eMax Continuous Discharge\u003c\/td\u003e\n                \u003ctd\u003e3A\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eMax Current\u003c\/td\u003e\n                \u003ctd\u003e5A\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eDimensions (Length x Diameter)\u003c\/td\u003e\n                \u003ctd\u003e49.9 mm (+0.3 mm ~ 0.5 mm) × 14.18 mm (+0.1 ~ 0.15 mm)\u003c\/td\u003e\n            \u003c\/tr\u003e\n            \u003ctr\u003e\n                \u003ctd class=\"speras-highlight-col\"\u003eNet Weight \/ Gross Weight\u003c\/td\u003e\n                \u003ctd\u003e20.05 g \/ 25.9 g\u003c\/td\u003e\n            \u003c\/tr\u003e\n        \u003c\/tbody\u003e\n    \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: center; margin-bottom: 50px;\"\u003e\n    \u003cimg class=\"speras-zoom\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC14-4.jpg?v=1770833241\" alt=\"SPERAS RC14 14500 battery showing safety certification marks\" style=\"max-width: 500px; width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin: 0 auto; display: block;\"\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 50px;\"\u003e\n    \u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\" open=\"\"\u003e\n        \u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eWhat devices is the SPERAS RC14 battery suitable for?\u003c\/summary\u003e\n        \u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eThe \u003cstrong\u003eSPERAS RC14 14500 battery\u003c\/strong\u003e is ideal for compact flashlights 🔦, EDC gear, and small electronic devices that support standard 14500 size batteries.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n        \u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eIs the RC14 battery rechargeable?\u003c\/summary\u003e\n        \u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, it is a fully rechargeable lithium-ion battery. Please use a compatible high-quality charger for safe operation and maximum longevity.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n        \u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eDoes it include safety protection?\u003c\/summary\u003e\n        \u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, it features a built-in protection board preventing overcharge, over-discharge, and short circuits to ensure safety and extend the battery's lifespan.\u003c\/p\u003e\n    \u003c\/details\u003e\n    \u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n        \u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eWhat is the maximum output current?\u003c\/summary\u003e\n        \u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eThe battery supports a stable continuous discharge of 3A, with a maximum output capability of up to 5A for short bursts, making it great for high-drain compact devices.\u003c\/p\u003e\n    \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"What devices is the SPERAS RC14 battery suitable for?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The SPERAS RC14 14500 battery is ideal for compact flashlights, EDC gear, and small electronic devices that support standard 14500 size batteries.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Is the RC14 battery rechargeable?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it is a fully rechargeable lithium-ion battery. Please use a compatible high-quality charger for safe operation and maximum longevity.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Does it include safety protection?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it features a built-in protection board preventing overcharge, over-discharge, and short circuits to ensure safety and extend the battery's lifespan.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"What is the maximum output current?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"The battery supports a stable continuous discharge of 3A, with a maximum output capability of up to 5A for short bursts, making it great for high-drain compact devices.\"\n        }\n      }]\n    }\n\u003c\/script\u003e\n\n\u003cdiv id=\"speras-lightbox\"\u003e\u003cimg alt=\"Enlarged view of SPERAS RC14 battery\" id=\"speras-lightbox-img\"\u003e\u003c\/div\u003e\n\u003cscript\u003e\n    document.addEventListener(\"DOMContentLoaded\", function() {\n        var lightbox = document.getElementById('speras-lightbox');\n        var lightboxImg = document.getElementById('speras-lightbox-img');\n        var images = document.querySelectorAll('.speras-zoom');\n\n        if (lightbox \u0026\u0026 lightboxImg) {\n            images.forEach(function(img) {\n                img.addEventListener('click', function(e) {\n                    e.preventDefault();\n                    lightboxImg.src = this.src;\n                    lightbox.classList.add('active');\n                    document.body.style.overflow = 'hidden';\n                });\n            });\n\n            lightbox.addEventListener('click', function() {\n                lightbox.classList.remove('active');\n                document.body.style.overflow = '';\n                setTimeout(function() {\n                    lightboxImg.src = '';\n                }, 300);\n            });\n        }\n    });\n\u003c\/script\u003e\n\n\u003c\/div\u003e","brand":"Speras","offers":[{"title":"Black \/ SPERAS RC14","offer_id":46649929007281,"sku":null,"price":9.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/RC14-4_ec9084bb-a2b9-471a-ae40-44e534f9fcc3.jpg?v=1770833251"},{"product_id":"speras-pb50-21700-battery-5000mah-battery-high-drain-battery-lithium-ion-battery-flashlight-battery","title":"SPERAS PB50 5000mAh 21700 Tabless Rechargeable Lithium Battery","description":"\u003cstyle\u003e\n    \/* 🏆 Speras Universal Hero Banner \u0026 Layout Style *\/\n    .speras-pdp-container { font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif; 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}\n    #speras-lightbox.active img { transform: scale(1); }\n\n    \/* Layout Elements *\/\n    .speras-section-title { font-size: 28px; font-weight: bold; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 50px; margin-bottom: 30px; text-align: center; }\n    .speras-grid-2 { display: flex; flex-wrap: wrap; gap: 30px; margin-bottom: 40px; }\n    .speras-grid-2 \u003e div { flex: 1 1 300px; }\n\n    \/* ========================================================= *\/\n    \/* 📱 移动端万能防重叠修复补丁 *\/\n    \/* ========================================================= *\/\n    @media screen and (max-width: 850px) {\n        .speras-pdp-container .speras-grid-2 {\n            display: block !important; \n        }\n        .speras-pdp-container .speras-grid-2 \u003e div {\n            display: block !important;\n            width: 100% !important;\n            max-width: 100% !important;\n            margin-bottom: 20px !important;\n            box-sizing: border-box !important;\n        }\n\n        \/* 强制重置行高与断行，彻底消灭手机端文字错乱与叠罗汉 *\/\n        .speras-pdp-container h1, \n        .speras-pdp-container h2, \n        .speras-pdp-container h3, \n        .speras-pdp-container p, \n        .speras-pdp-container span, \n        .speras-pdp-container li,\n        .speras-pdp-container summary {\n            white-space: normal !important;\n            word-wrap: break-word !important;\n            word-break: break-word !important;\n            line-height: 1.5 !important;\n            height: auto !important;\n        }\n        \n        .speras-pdp-container .speras-hero-banner h1 {\n            font-size: 26px !important;\n            line-height: 1.3 !important;\n        }\n        \n        .speras-pdp-container .speras-section-title {\n            font-size: 22px !important;\n            line-height: 1.4 !important;\n            margin-top: 30px !important;\n        }\n    }\n\u003c\/style\u003e\n\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\u003cdiv class=\"speras-hero-banner\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px;\"\u003eHigh-Drain Power Source\u003c\/span\u003e\n\u003ch1\u003eSPERAS PB50: 21700 5000mAh Lithium-ion Battery\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003eThe \u003cstrong style=\"color: #ea580c;\"\u003eSPERAS PB50 21700 lithium battery\u003c\/strong\u003e 🔋 is designed for high-performance use, offering a perfect balance of power, safety, and durability. With a capacity of \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e5000mAh\u003c\/strong\u003e\u003c\/span\u003e and a stable \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e3.6V\u003c\/strong\u003e\u003c\/span\u003e output, it delivers consistent energy for high-lumen flashlights and other high-drain devices.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 5000mAh Capacity\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚡ 40A Max Discharge\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚙️ Tabless Design\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: center; margin-bottom: 50px;\"\u003e\u003cimg style=\"max-width: 600px; width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin: 0 auto; display: block;\" alt=\"SPERAS PB50 5000mAh 21700 high-drain rechargeable lithium-ion battery\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/PB50-1.jpg?v=1770834605\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eEngineered for Extreme Performance\u003c\/h2\u003e\n\u003cdiv class=\"speras-grid-2\"\u003e\n\u003cdiv style=\"background: #fafafa; padding: 30px; border-radius: 8px; border: 1px solid #f0f0f0;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0; margin-bottom: 20px;\"\u003eAdvanced Tabless Design \u0026amp; Safety\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; color: #555; margin-bottom: 15px;\"\u003eBuilt with a \u003cstrong\u003etabless design\u003c\/strong\u003e ⚙️, the SPERAS PB50 battery significantly improves energy efficiency and helps reduce heat during intensive use. It also includes built-in protection against overcharge and over-discharge, supporting safer operation and a longer battery life cycle.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; color: #555; margin-bottom: 0;\"\u003eThe solid outer construction adds excellent impact resistance, making it suitable for both daily use and harsh outdoor conditions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 30px; border-radius: 8px; border: 1px solid #e0e0e0; box-shadow: 0 2px 10px rgba(0,0,0,0.02);\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #111; margin-top: 0; margin-bottom: 20px;\"\u003eKey Specifications\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.8; color: #444; list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e🏷️ \u003cstrong\u003eBrand \/ Model:\u003c\/strong\u003e SPERAS PB50\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e🔋 \u003cstrong\u003eMassive Capacity:\u003c\/strong\u003e 5000mAh\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e⚡ \u003cstrong\u003eStable Voltage:\u003c\/strong\u003e 3.6V\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e🚀 \u003cstrong\u003eHigh-Drain Output:\u003c\/strong\u003e 40A Max Continuous Discharge Current\u003c\/li\u003e\n\u003cli\u003e🛡️ \u003cstrong\u003eWarranty:\u003c\/strong\u003e 1 year (contact us for support or replacement if needed)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv style=\"display: flex; flex-wrap: wrap; gap: 20px; justify-content: center; margin-bottom: 50px;\"\u003e\n\u003cimg style=\"flex: 1 1 300px; width: 100%; max-width: 48%; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); object-fit: cover;\" alt=\"SPERAS PB50 21700 battery highlighting 5000mAh capacity and 3.6V output\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/PB50-2.jpg?v=1770834604\" class=\"speras-zoom\"\u003e \u003cimg style=\"flex: 1 1 300px; width: 100%; max-width: 48%; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); object-fit: cover;\" alt=\"SPERAS PB50 tabless design battery showcasing 40A max continuous discharge current\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/PB50-3.jpg?v=1770834605\" class=\"speras-zoom\"\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eTechnical Details\u003c\/h2\u003e\n\u003cdiv class=\"speras-table-wrapper\"\u003e\n\u003ctable class=\"speras-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eModel\u003c\/td\u003e\n\u003ctd\u003ePB50\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e21700 3.6V Lithium Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Capacity\u003c\/td\u003e\n\u003ctd\u003e5000 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Voltage\u003c\/td\u003e\n\u003ctd\u003e3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eEnergy\u003c\/td\u003e\n\u003ctd\u003e18 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eMax Continuous Discharge\u003c\/td\u003e\n\u003ctd\u003e40A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eDimensions (Length x Diameter)\u003c\/td\u003e\n\u003ctd\u003e74.5 mm (+0.3 mm ~ 0.5 mm) × 21.42 mm (+0.1 ~ 0.15 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eNet Weight \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e72.18 g \/ 80.78 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 50px;\"\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eWhat makes the SPERAS PB50 battery different?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eIt uses a tabless design, which helps improve efficiency, reduce heat, and handle high-drain output more effectively than standard designs.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eIs this battery suitable for high-power flashlights?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, with a \u003cstrong\u003e40A continuous discharge\u003c\/strong\u003e, it is well-suited for high-performance flashlights 🔦 and similar high-drain devices.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eDoes it include safety protection?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, it includes built-in protection against overcharge and over-discharge, ensuring safe and reliable operation.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eIs the SPERAS PB50 rechargeable?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, it is a rechargeable lithium-ion battery. Use a compatible high-quality charger for best results and longevity.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"What makes the SPERAS PB50 battery different?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"It uses a tabless design, which helps improve efficiency, reduce heat, and handle high-drain output more effectively than standard designs.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Is this battery suitable for high-power flashlights?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, with a 40A continuous discharge, it is well-suited for high-performance flashlights and similar high-drain devices.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Does it include safety protection?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it includes built-in protection against overcharge and over-discharge, ensuring safe and reliable operation.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Is the SPERAS PB50 rechargeable?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it is a rechargeable lithium-ion battery. Use a compatible high-quality charger for best results and longevity.\"\n        }\n      }]\n    }\n\u003c\/script\u003e\n\n\u003cdiv id=\"speras-lightbox\"\u003e\u003cimg id=\"speras-lightbox-img\" alt=\"Enlarged view of SPERAS PB50 battery\"\u003e\u003c\/div\u003e\n\n\u003cscript\u003e\n    document.addEventListener(\"DOMContentLoaded\", function() {\n        var lightbox = document.getElementById('speras-lightbox');\n        var lightboxImg = document.getElementById('speras-lightbox-img');\n        var images = document.querySelectorAll('.speras-zoom');\n\n        if (lightbox \u0026\u0026 lightboxImg) {\n            images.forEach(function(img) {\n                img.addEventListener('click', function(e) {\n                    e.preventDefault();\n                    lightboxImg.src = this.src;\n                    lightbox.classList.add('active');\n                    document.body.style.overflow = 'hidden';\n                });\n            });\n\n            lightbox.addEventListener('click', function() {\n                lightbox.classList.remove('active');\n                document.body.style.overflow = '';\n                setTimeout(function() {\n                    lightboxImg.src = '';\n                }, 300);\n            });\n        }\n    });\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Speras","offers":[{"title":"Black \/ SPERAS PB50","offer_id":46649944080561,"sku":null,"price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/PB50-1.jpg?v=1770834605"},{"product_id":"speras-n48-21700-battery-4800mah-battery-lithium-ion-battery-flashlight-battery-high-capacity-battery","title":"SPERAS N48 4800mAh 21700 Rechargeable Lithium Battery","description":"\u003cstyle\u003e\n    \/* 🏆 Speras Universal Hero Banner \u0026 Layout Style *\/\n    .speras-pdp-container { font-family: 'Inter', 'Helvetica Neue', Arial, sans-serif; color: #333; line-height: 1.6; max-width: 950px; margin: 0 auto; padding: 20px; }\n    .speras-hero-banner { background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%); padding: 50px 30px; border-radius: 20px; margin-bottom: 40px; text-align: center; border-bottom: 6px solid #ea580c; box-shadow: 0 10px 25px rgba(0,0,0,0.15); }\n    .speras-hero-banner h1 { font-size: 38px; font-weight: 900; color: #ffffff !important; margin: 0 0 15px 0; line-height: 1.3; }\n    .speras-hero-banner .subtitle { font-size: 18px; max-width: 850px; margin: 0 auto 20px auto; color: #cbd5e1 !important; line-height: 1.7; }\n    \n    \/* Comparison Table \/ Formatting *\/\n    .speras-table-wrapper { overflow-x: auto; margin: 40px 0; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); border: 1px solid #e2e8f0; }\n    .speras-table { width: 100%; border-collapse: collapse; text-align: left; background-color: #fff; min-width: 600px; }\n    .speras-table th, .speras-table td { padding: 16px 20px; border-bottom: 1px solid #e2e8f0; font-size: 16px; color: #444; }\n    .speras-table th { background-color: #0f172a; font-weight: bold; color: #fff; font-size: 16px; }\n    .speras-table tr:hover { background-color: #f9fafb; }\n    .speras-highlight-col { background-color: #fafafa; font-weight: bold; width: 40%; color: #111 !important; }\n\n    \/* Lightbox and Hover Effects *\/\n    .speras-zoom { cursor: zoom-in; transition: transform 0.2s; display: block; }\n    .speras-zoom:hover { transform: scale(1.02); }\n    #speras-lightbox { position: fixed; z-index: 999999; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(15, 23, 42, 0.95); display: flex; justify-content: center; align-items: center; opacity: 0; visibility: hidden; transition: opacity 0.3s ease; cursor: zoom-out; }\n    #speras-lightbox.active { opacity: 1; visibility: visible; }\n    #speras-lightbox img { max-width: 90vw; max-height: 90vh; border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); transform: scale(0.9); transition: transform 0.3s ease; }\n    #speras-lightbox.active img { transform: scale(1); }\n\n    \/* Layout Elements *\/\n    .speras-section-title { font-size: 28px; font-weight: bold; color: #111; border-bottom: 2px solid #eee; padding-bottom: 10px; margin-top: 50px; margin-bottom: 30px; text-align: center; }\n    .speras-grid-2 { display: flex; flex-wrap: wrap; gap: 30px; margin-bottom: 40px; }\n    .speras-grid-2 \u003e div { flex: 1 1 300px; }\n\u003c\/style\u003e\n\u003cdiv class=\"speras-pdp-container\"\u003e\n\u003cdiv class=\"speras-hero-banner\"\u003e\n\u003cspan style=\"display: inline-block; background: #ea580c; color: #fff; padding: 6px 18px; border-radius: 30px; font-size: 14px; font-weight: 800; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 20px;\"\u003ePremium Power Source\u003c\/span\u003e\n\u003ch1\u003eSPERAS N48: 21700 4800mAh Rechargeable Li-ion Battery\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003eBuilt to deliver stable and reliable power 🔋 for everyday and outdoor use. With a high capacity of \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e4800mAh\u003c\/strong\u003e\u003c\/span\u003e and a nominal voltage of \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003e3.6V\u003c\/strong\u003e\u003c\/span\u003e, it provides consistent energy output for high-performance flashlights and other compatible high-drain devices.\u003c\/p\u003e\n\u003cdiv style=\"display: flex; justify-content: center; gap: 15px; flex-wrap: wrap; margin-top: 15px;\"\u003e\n\u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🔋 4800mAh Capacity\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e⚡ 15A Max Discharge\u003c\/span\u003e \u003cspan style=\"background: rgba(255,255,255,0.1); color: #fff; padding: 6px 16px; border-radius: 20px; font-size: 13px;\"\u003e🛡️ Built-in Protection\u003c\/span\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 50px;\"\u003e\u003cimg style=\"max-width: 600px; width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin: 0 auto; display: block;\" alt=\"SPERAS N48 4800mAh 21700 Rechargeable Lithium Battery front view\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/N48_1_480x480.jpg?v=1770835221\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eEngineered for Safety \u0026amp; Performance\u003c\/h2\u003e\n\u003cdiv class=\"speras-grid-2\"\u003e\n\u003cdiv style=\"background: #fafafa; padding: 30px; border-radius: 8px; border: 1px solid #f0f0f0;\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #ea580c; margin-top: 0; margin-bottom: 20px;\"\u003eReliable \u0026amp; Durable Design\u003c\/h3\u003e\n\u003cp style=\"font-size: 16px; color: #555; margin-bottom: 15px;\"\u003eDesigned with safety in mind ⚙️, the \u003cstrong\u003eSPERAS N48 battery\u003c\/strong\u003e features built-in protection against overcharge and over-discharge. This helps maintain long-term performance while extending battery lifespan.\u003c\/p\u003e\n\u003cp style=\"font-size: 16px; color: #555; margin-bottom: 0;\"\u003eIts durable construction also improves impact resistance, making it perfectly suitable for demanding outdoor environments and heavy-duty tactical use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"background: #fff; padding: 30px; border-radius: 8px; border: 1px solid #e0e0e0; box-shadow: 0 2px 10px rgba(0,0,0,0.02);\"\u003e\n\u003ch3 style=\"font-size: 22px; font-weight: bold; color: #111; margin-top: 0; margin-bottom: 20px;\"\u003eKey Features\u003c\/h3\u003e\n\u003cul style=\"font-size: 16px; line-height: 1.8; color: #444; list-style: none; padding: 0; margin: 0;\"\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e🔋 \u003cstrong\u003eExtended Runtime:\u003c\/strong\u003e 4800mAh high capacity.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e⚡ \u003cstrong\u003eConsistent Output:\u003c\/strong\u003e Stable 3.6V nominal voltage.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e🛡️ \u003cstrong\u003eSafer Use:\u003c\/strong\u003e Built-in protection circuits.\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 10px;\"\u003e🔧 \u003cstrong\u003eTough Build:\u003c\/strong\u003e Durable, impact-resistant construction.\u003c\/li\u003e\n\u003cli\u003e🔄 \u003cstrong\u003eHigh-Drain Ready:\u003c\/strong\u003e 15A max continuous discharge for powerful devices.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"text-align: center; margin-bottom: 50px;\"\u003e\u003cimg style=\"max-width: 600px; width: 100%; height: auto; border-radius: 12px; box-shadow: 0 4px 15px rgba(0,0,0,0.05); margin: 0 auto; display: block;\" alt=\"SPERAS N48 21700 battery specifications and capacity details\" src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0605\/4549\/9313\/files\/N48_2_480x480.jpg?v=1770835221\" class=\"speras-zoom\"\u003e\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv class=\"speras-table-wrapper\"\u003e\n\u003ctable class=\"speras-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBrand \/ Model\u003c\/td\u003e\n\u003ctd\u003eSPERAS \/ N48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e21700 Rechargeable Li-ion Battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eCapacity\u003c\/td\u003e\n\u003ctd\u003e4800 mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eEnergy\u003c\/td\u003e\n\u003ctd\u003e17.28 Wh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eMax Continuous Discharge\u003c\/td\u003e\n\u003ctd\u003e15A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eDimensions (Length x Diameter)\u003c\/td\u003e\n\u003ctd\u003e74 mm (+0.3 mm ~ 0.5 mm) × 21.25 mm (+0.1 ~ 0.15 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eNet Weight \/ Gross Weight\u003c\/td\u003e\n\u003ctd\u003e70.91 g \/ 79.52 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"speras-highlight-col\"\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1 year (contact us for support or replacement)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch2 class=\"speras-section-title\"\u003eFrequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv style=\"margin-bottom: 50px;\"\u003e\n\u003cdetails open=\"\" style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eWhat devices can use the SPERAS N48 battery?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eIt works perfectly with high-performance flashlights 🔦 and other electronic devices that support standard 21700 lithium-ion batteries.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eIs this battery rechargeable?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, it is a fully rechargeable lithium-ion battery designed for hundreds of charge cycles.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eDoes it include safety protection?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eYes, it has built-in protection circuits safeguarding against overcharge and over-discharge to ensure maximum safety during use and charging.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails style=\"background-color: #fff; padding: 18px 20px; margin-bottom: 12px; border: 1px solid #cbd5e1; border-radius: 8px; cursor: pointer;\"\u003e\n\u003csummary style=\"font-size: 18px; font-weight: bold; outline: none; color: #0f172a;\"\u003eHow long does it last?\u003c\/summary\u003e\n\u003cp style=\"margin-top: 12px; font-size: 16px; color: #475569; line-height: 1.6;\"\u003eWith a massive 4800mAh capacity, the runtime is significantly extended. Exact duration depends on the power consumption and output mode of the specific device being used.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n    {\n      \"@context\": \"https:\/\/schema.org\",\n      \"@type\": \"FAQPage\",\n      \"mainEntity\": [{\n        \"@type\": \"Question\",\n        \"name\": \"What devices can use the SPERAS N48 battery?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"It works perfectly with high-performance flashlights and other electronic devices that support standard 21700 lithium-ion batteries.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Is this battery rechargeable?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it is a fully rechargeable lithium-ion battery designed for hundreds of charge cycles.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"Does it include safety protection?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"Yes, it has built-in protection circuits safeguarding against overcharge and over-discharge to ensure maximum safety during use and charging.\"\n        }\n      },{\n        \"@type\": \"Question\",\n        \"name\": \"How long does it last?\",\n        \"acceptedAnswer\": {\n          \"@type\": \"Answer\",\n          \"text\": \"With a massive 4800mAh capacity, the runtime is significantly extended. 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