Our best overall rechargeable battery choice is the Panasonic Pro rechargeable ... including affordable bulk packs and convenient USB charging options.

[esotericsean] gets around that by modifying his Game Boys with a USB rechargeable battery setup. (Video, embedded below.) The hack is a simple one, but the execution is quite tidy. [esotericsean ...

The smaller battery packs boast well over 40,000 reviews rating them a stellar 4.8/5 star rating. These rechargeable batteries use NIMH battery chemistry. The AA battery stores up to 2,000mAh and ...