... ,Battery Cell: Rechargeable Li-polymer2, Battery Capacity: 1200mAh 3,Unique charging circuit design: only supply power for iPhone 4,not charge to ... under the customer logo " Tekkeon"6,Input Charging Voltage/Current:Micro USB 5V/0.55A7,Charging Time: 3~4 Hours8,Outp : 5V ... /0.5A9, Charging status indicator with LED Color changing : 0~80% charging: Orange / over 80% charge : Blue 100 ...