1, Universal Mobile Phone Power Bank 18650; 2,With Apple MFI certification; 3,Output : ... 4 Universal Mobile Phone Power Bank 18650 1,Battery Cell: Rechargeable Li-polymer2, Battery Capacity: 1200mAh 3,Unique charging ... iPhone 4,not charge to the internal battery of iPhone 4, in order to extend the ... internal battery cycle life and working time.5,Battery pack can be replaced.6, ...