The Radiant 2,200 mAh Light Up Logo Power Bank contains a 2200 mAh Li-Ion Grade A battery. The 5V/1A USB output means that it charges at the same rate of most wall chargers. Includes a USB to Micro USB connecting cable which can recharge the battery backup or be used to charge up devices with a Micro USB input like Android Smartphones from Samsung®, Motorola®, HTC®, Nokia®, and others. Our batteries have undergone evaluation for numerous quality standards. Only laser imprint will allow the logo to light up while charging.