IOGEAR GearPower 7,000mAh, 2.1A + 1A Ultra Fast Charge Mobile Power Station Dual USB Outputs for Smartphones and Tablets, GMP7K 7,000mAh Li-Poly cell provides a compact, super high-capacity battery^Provides fast, convenient charging of most smartphones, MP3 players & other USB-charged devices^Perfect for mobile users & business travelers when conventional AC outlets are not available^2.1A output capable of quickly charging iPad/iPhone/iPod & most smartphones^Built-in short-circuit, overcharge & temperature protection