{"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; 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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","url":"https:\/\/sperasflashlight.com\/products\/speras-s34-18650-rechargeable-lithium-battery-3400mah","provider":"Speras Light","version":"1.0","type":"link"}