Fenix ARB-L14-1600U, 1600mAh AA Li-ion battery

The Fenix ARB-L14-1600 is a 14500 Li-ion battery for flashlights and other devices that ask a lot from their batteries. This battery can be charged via the micro-usb port. The capacity of this battery is 1600 mAh. In terms of size this battery is similar to an AA battery or penlite. The main difference is that this 14500 uses Li-ion technology, instead of alkaline or Ni-MH. As such this 14500 can supply you with a higher output.