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Superior flashlights require superior batteries! The P2655C 26650 PROTECTED Battery from Keeppower is the ideal battery for both our C255-4 and B310-4 flashlights.

Battery Specifications:

  • Nominal Capacity: 5500 mAh
  • Minimum Capacity: 5400 mAh
  • Nominal Voltage: 3.7V
  • Charging Voltage: 4.20+-0.05V
  • Discharge End Voltage: 2.5V
  • Standard Continuous Charging Current: 2.5A
  • Maximum Continuous Discharging Current: 10A

26650 KeepPower 5500mAh Protected Battery

SKU: 26650BATT
  • If you're not satisfied with our products, you can return the item(s) within 90 days, and we'll refund you the purchase price minus a 10% restocking fee.


    • The restocking fee is in place to cover our third-party fees.
    • Shipping fees are non-refundable.
    • When returning an item, please box it appropriately.
    • All returns are subject to inspection.


    The following items cannot be returned, unless there is a Valid Warranty Issue:

    • Any part that shows evidence of being used, installed, handled, packaged, or shipped improperly.
    • Custom-ordered or personalized products.
    • Hazardous/Consumable materials such as batteries and bulbs.
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