Fenix 21700 Rechargeable Li-ion USB Battery

SKU: FX-ARB-L21-5000
MPN: FX-ARB-L21-5000
Manufactured by Fenix Lighting


In Stock

NOTE: Limit 5 per household. Quantities exceeding 5 will not allow checkout.

We are fully staffed and processing orders. Standard orders are shipping in approximately 2 business day. FFL orders take approximately 14-16 business days if you can provide us an actively receiving FFL location.


In Stock


The Fenix ARB-L21-5000 is a high capacity 21700 Li-ion rechargeable battery.  It features a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. To power your PD36R flashlight, you should accept nothing less!

  • Internal protection circuit built into the anode
  • Pressure Relief Vent to prevent bulging or exploding
  • Over charge protection
  • Over discharge protection
  • Over heat protection
  • Retains up to 75% functionality after over 500 cycles

This battery is designed for use with Fenix PD36R  rechargeable flash lights.


BrandFenix Lighting

WARNING: This Product can expose you to chemicals which is known to state of California to cause Cancer and Reproductive Harm. For more information, see www.p65warnings.ca.gov

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