Universal External Battery 1.For iphone 3G/3GB/4G/4GS,Ipad,other devices 2. Capacity: 5200mah 3.Input:5V 1A; 4.Output: 5V 1A Specification:Built-in 5000mAh high capacity polymer lithium batteryInputs:110-220V /1AOutputs: 5VOutput current1A (maximum)Out /Input port5V USB port Mini UsbSize 93*43*22mmWeight185g Features:1. Backup charger for Mobile Phone, MP3, MP4, Digital Camera, PSP, Iphone/Ipad ...