... 4, For iPhone ; 5, MOQ : 1000PCS Universal Mobile Power Bank For iPhone1,Battery Cell: Rechargeable Li-polymer2, Battery Capacity ... 1200mAh 3,Unique charging circuit design: only supply power for iPhone 4,not charge to the internal battery ... battery cycle life and working time.4,Battery pack can be replaced.5,With Apple MFI certification ... about 10~15 workind days ; Universal Mobile Phone Power Bank