GEMS Recharge 2200mAh Portable Battery / Power Bank Black Compact 2,200mAh portable power bank. Quality Li-ion battery ensures longevity and predictable battery life. 2,200mAh battery provides 130% charge on iPhone 5/5S, 100% charge on iPhone 6 Made for Smartphones, Tablets, MP3 Players & Portable Gaming Devices 1-Year Warranty