... 0.5A ; 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 of iPhone 4, in ... unit got Apple MFI Certification with customer logo : Tekkeon , so to avoid any potential patent issue , Logo " Tekkeon" will be necessary ...