Fenix ARB-L21-5000U USB Rechargeable 21700 Li-ion Battery
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 USB-C 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.
Fenix ARB-L14-800 Rechargeable 14500 Li-ion Battery
The Fenix ARB-L14 is a high powered 14500 Lithium Ion battery that features high capacity and a voltage of 3.6V. This battery is perfect of devices that require a higher voltage AA sized battery such as high-drain LED flashlights