SPERAS Batteries

SPERAS Premium Rechargeable Lithium Batteries

Power your tactical mission with uncompromising reliability. The SPERAS rechargeable battery series goes far beyond standard off-the-shelf power cells. Engineered specifically for high-drain devices, our professional lineup includes specialized solutions such as ultra-low temperature resistant cells for freezing environments, integrated USB direct-charging batteries, and massive 10000mAh battery packs for extreme searchlights.

While these premium lithium-ion batteries are heavily optimized to push SPERAS tactical flashlights to their absolute peak performance, they are built strictly to international sizing standards. This guarantees universal compatibility, allowing you to use our high-discharge 21700 and 18650 cells to power any compatible outdoor gear, headlamps, or electronic devices from other leading brands securely.

SPERAS Premium Engineering: Industry-Leading Core Technology

At SPERAS, safety and performance dictate our engineering process. We refuse to use unstable generic materials. Instead, we utilize world-class internal cores imported directly from industry giants like LG, Samsung, and Panasonic. By pairing these top-tier cells with our proprietary Protective Circuit Boards (PCB), we guarantee true-to-label capacity, stable high-current discharge rates, and total protection against overcharging and short-circuiting.

Featured High-Performance Battery Solutions

Explore our specialized power categories below to find the exact energy source required for your everyday carry or heavy-duty outdoor lighting equipment.

• The 20A High-Drain Powerhouse: Heavy-duty tactical flashlights require a massive instantaneous current to sustain blinding turbo modes. The SPERAS S50 21700 Battery delivers exactly that. Featuring a vast 5000mAh capacity and an impressive 20A maximum discharge current, it prevents performance throttling and is the ultimate choice for long-range hunting and tactical gear.
• The Ultimate Direct-Charge EDC Cell: Eliminate the need for bulky external charging bays while traveling. The SPERAS R34 18650 Battery packs a reliable 3400mAh of energy and features an integrated direct USB charging port right on the battery body. It remains the gold standard for everyday carry flashlights and professional headlamps, offering supreme convenience anywhere.
• The Sub-Zero Extreme Weather Survivor: Standard lithium batteries completely fail and drain rapidly in freezing environments. Designed specifically for brutal winter hunting and high-altitude mountaineering, the SPERAS LTH35 18650 Battery is threefold more effective in the cold. It operates flawlessly at -40 degrees Celsius (-40 degrees Fahrenheit), offering 3500mAh capacity and an advanced built-in USB-C fast-charging port.
• The 10000mAh Searchlight Behemoth: Do not let your primary searchlight die during a critical rescue mission. The SPERAS S10T Battery Pack is a premium, heavy-duty unit formed by linking two 5000mAh 21700 cells in series. This innovative design delivers the high voltage required by extreme high-output LEDs while securing an astonishing 10000mAh total capacity for ultra-long runtime in the wilderness.

Quick Comparison: Battery Technical Specifications

Review the precise technical data below to match our premium lithium cells with your device requirements. The standout performance metric for each model is highlighted in red.

Expert Rechargeable Battery FAQ