Either one of these batteries can be used to power the A25R. The adapter takes four AAA batteries.
The receptacle for the USB charging cord normally remains hidden but can be exposed by twisting and pulling out on the end cap.
The USB charging cord can be plugged into a computer, car charger (12-volt DC), or household receptacle (120-volt AC).
The rechargeable battery can be charged in or out of the flashlight.
Storage options include a holster, swiveling wall clip, or swiveling belt clip.