Toshiba Rechargeable Battery With Usb Charger (Aa 2Pcs 2000Mah) – White/Ready To Use, Pre Charged Batteries, Easy To Carry, Comes With 2Xaa 2000Mah Batteires And One Charger. About Product: 2000 mAh battery capacity The battery has been charged and is ready to use. Self-discharge rate is low. Exceptional capacity and dependability Protection against polarity reversal The device and the batteries are protected by electrical circuits.