Fenix 18650 3400mAh Protected Lithium-ion Rechargeable Battery

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Fenix 18650 Battery

These batteries are flat top and won't work in most Nitecore and some Olight products

This new 18650 battery is specifically designed for high-drain devices.

  • 3400 mAh high-capacity battery with outstanding performance
  • Three sets of over-heat protection
  • Built-in over charge and over discharge protection circuit ensure the max performance of the battery
  • Unique structural design for better impact resistance
  • 37.5% increase in runtime in the TK75 in high mode (test comparing runtime in the Fenix ARB-L2 2600 mAh battery and the ARB-L2S 3400 mAh battery)
  • 500 Charge Cycles (A properly maintained ARB-L2S battery is designed to retain up to 70% of its original capacity at 500 full charge and discharge cycles)
  • Built-in over charge and over discharge protection circuit to ensure the maximum performance of the battery
  • Compact design, suitable for various high-intensity flashlights
  • No battery memory effect, negligible self-discharge