Fenix ARB-L14-1600U 1.5V USB Rechargeable Li-ion AA Battery
Fenix ARB-L14-1600U 1.5V USB Rechargeable Li-ion AA Battery, Usable in most AA-powered flashlights and is directly rechargeable via its Micro-USB port. (This battery can ONLY be charged with its built-in micro USB port. It will not charge in any charger.)Notice: The price is for one battery and it packed one battery per package. It's not recommended to use more than two of these batteries in sequence.