Voltage(V): 5V Capacity: 3500MAH portable battery charger for iPhone4/IPAD/IPOD/iPhone3/MP3 MP4 portable battery charger for iPhone4/IPAD/IPOD/MP3 MP4 iPhone3GBattery ... all digital devices charged by USB port.Function is introduced1,Dual USB output could supply power for ipad iphone, MP3/MP4, PDA ... ,size:54x102x14.3mm 11,Rapid charge and wide compatible 12:Output: 5V, 1A / 5V, 0.5A 13:Input: 5V, 1A( ...