Fenix ARB-L21 5000 Rechargeable 21700 Li-ion Battery

ARB-L21-5000 21700 rechargeable Li-ion battery, sufficient power, steady performance, the capacity of the 21700 battery is twice as powerful as the common 18650/2300mAh battery. Which provides the lighting tools with sufficient power and longer duration. Multiple protection, ensure the use safety and good performance of the battery; Steel shell riveting technology, fully protected the battery against damage; Pressure relief vents, rapidly expel internal gas.

 Currently recommended for the HT18, PD36R, TK22 V2.0, and TK22 UE.  The TK22 V2.0 and TK22UE require a charger to charge the battery.