FENIX USB Rechargeable 14500 Battery, Micro USB Charging Port, 1600mAh, 1.5V, Black, Compatible with Devices that Require AA

ARB-L14-1600U is a high capacity 14500 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, over charge/discharge and over heating. This battery can quickly be charged without the need for a separate charger. This will work in all of the models that utilize the standard AA battery. This battery is a great rechargeable alternative to alkaline AA battery. • 1600mAh Battery Capacity • Micro USB Port Built into Battery • 500 Charge Life Cycle