... For iPhone 5 backup power battery case,power case,external battery. 2200mAh,2500mAh2800mAh,3000mAh,4200mAh supply rechargeable For iPhone 5 backup power battery case,power case,external battery case:1.Battery Type: Li-polymer battery ... time: 5hours. Product NameExternal Battery Case/ Backup power Battery CaseModel NumberFor iPhone 5Capacity2200mah,2500mah,2800mah,3000mah,4200mahColorWhite/black, ...