Infapower 4-Channel USB Charger with 4x AA 1300mAh Rechargeable Batteries
AA 1300mAh batteries included: ~8 hours. Use anywhere in the world with a USB power source (USB plug not included). Supports AA from 600mAh to 2500mAh and AAA from 550mAh to 1000mAh. Micro USB charging cable.