Fenix ARB-L21-5000U USB Rechargeable Battery

Fenix ARB-L21-5000 21700 Rechargeable Battery

Fenix ARB-L21-5000U is a high capacity 21700 Li-ion USB rechargeable battery built for more power and longer runtimes. This battery has its own micro-USB charging port for quick/easy charging without the need for a separate charger. Additional features include a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. Pressure relief vents which expel waste gas in the rare case of an internal short circuit preventing an explosion. Battery capacity up to 5000mAh. 500 charging cycles. This product will only work in those models supporting 21700 batteries.  A USB-C charging cord is NOT included.

Important Note

THIS BATTERY IS NOT COMPATIBLE WITH 18650 FLASHLIGHTS OR OLDER STYLE CHARGERS.

Currently, this product fits and supports only Fenix HT18, LR35R, PD36R, PD40R V2.0, TK22 V2.0, TK22 UE, and TK30 Flashlights.