• SPERAS EB31 18650 Rechargeable battery

    Price 11.00 € VAT incl.
    ( 9.09 € VAT excl. )
    In stock.

    The SPERAS EB31 is a high-performance 18650 lithium-ion (Li-ion) rechargeable battery engineered for modern high-output EDC flashlights and other compatible devices that require stable and efficient power delivery.

    With a high capacity of 3100 mAh, the battery provides extended runtime for demanding applications. Its ultra-low internal resistance of just 33.7 mΩ enables efficient high-current delivery while minimizing voltage drop under heavy loads.

    This stable power delivery allows compatible high-performance flashlights to make better use of their maximum-output modes, including Turbo, while helping maintain high illumination levels for longer periods.

    Combining the widely used 18650 format with high capacity and low internal resistance, the SPERAS EB31 is a practical power source for compatible EDC flashlights and other high-demand electronic devices.

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  • Core Specifications & Advantages

    • Ultra-Low Internal Resistance – 33.7 mΩ: enables efficient high-current discharge while minimizing heat generation, allowing compatible high-output flashlights to reach their maximum brightness reliably.
    • 3100 mAh Extended Capacity: provides an excellent balance between high-drain performance and extended runtime, making it ideal for EDC, tactical, and other high-performance flashlights.
    • Universal 18650 Format: a widely used battery standard compatible with many tactical flashlights, headlamps, and professional outdoor devices.
    • Stable Power Output: helps prevent premature voltage drops and provides consistent power delivery to compatible equipment, even under demanding loads.