... 2,With Apple MFI certification; 3,Output : 5V/0.5A ; 4, For iPhone ; 5, MOQ : 1000PCS Universal Mobile Power Bank For iPhone1,Battery Cell: Rechargeable Li- ... to the internal battery of iPhone 4, in order to extend the internal battery cycle life and working time.4, ... "6,Input Charging Voltage/Current:Micro USB 5V/0.55A7,Charging Time: 3~4 Hours8,Outp : 5V/0.5A9, Charging status indicator with LED ...