... 5V, 1A Maximum Output, Charge Especially for iPhon 2,200mAh Power Bank with USB 5V, 1A Maximum Output, Charge Especially for iPhoneSpecifications ... : 2,200mAhInput: 5 to 6V DC, 1A ± 100MaUSB output: USB 5 to 5.5V, 1A (maximum)Size: 18.1 x 11.1 x ... in five different stages, each 20%Multiple safety protections: built with short-circuit, over-charge, over-discharge and over-temperatureIntellectual design ...