From the Manufacturer… This little battery backup will keep your mobile devices charged up. The 2,200 mAh internal battery has enough life to fully charge an iPhone. 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.
Product Size: 3.75"H x 0.75"W x 0.75"L.