The World's 1st Micro USB rechargeable battery. No more charging adapters required.  JouleCell is available in AA or AAA size. Recharge kid's toy, keyboard, radio, remote, flashlight, game controller etc. Recharge up to 500 cycles.

Specifications:

AAA Size

Battery Type: Ni-MH

Capacity: 450mAh 

Rated Voltage: 1.2V

Current Charge: 5V/80mAh

Charging Time: 5.5 hours

Charging Connector: Micro USB

Battery Indicator: LED (RED during charging. BLUE when fully charged)