The Fenix ARB-L21-5000 V2.0 is a high capacity 21700 Li-ion rechargeable battery with a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. The batt... To learn more about this product, please click here >>>

The new 21700 battery from Fenix can handle twice the power of a standard 18650 battery. The additional mAh's allow flashlights like the PD36R and TK22 to have longer run times. What makes this 21700 ... To learn more about this product, please click here >>>

The Fenix ARB-L21-4000P is a high output 21700 Li-ion rechargeable battery with a protection circuit in the anode to help prevent short circuits, over charge/discharge and over heating. The battery al... To learn more about this product, please click here >>>

Fenix ARB-L18-3500U is a high capacity 18650 Li-ion rechargeable battery with a built-in micro-USB charging port. It also includes a protection circuit in the anode to help prevent short circuits, ove... To learn more about this product, please click here >>>

The Fenix ARB-L16-700UP with heavy load discharge is the newest 16340 battery. It has a total of 700mAH of charging current. This is one of the safest batteries Fenix has to offer, with three levels o... To learn more about this product, please click here >>>

The Fenix ARB-L14-1100U for Fenix LD22 V2.0. To learn more about this product, please click here >>>

The spare battery for the Fenix RC40 flashlight. This is a Proprietary Battery and ONLY works with Fenix RC40 Rechargeable Flashlight. To learn more about this product, please click here >>>

The spare battery for the Fenix LR40R flashlight. This is a Proprietary Battery and ONLY works with Fenix LR40R Rechargeable Flashlight. To learn more about this product, please click here >>>

The spare battery/body for the Fenix LR80R flashlight. This is a Proprietary Battery and ONLY works with Fenix LR80R Rechargeable Flashlight. To learn more about this product, please click here >>>

The spare battery for the Fenix LR50R flashlight. This is a Proprietary Battery and ONLY works with Fenix LR50R Rechargeable Flashlight. To learn more about this product, please click here >>>