... battery case,backup power battery case. 2200mAh,2500mAh2800mAh,3000mAh,4200mAh supply rechargeable For iPhone 5 External Battery Case/Portable Battery Case ... for iPhone 5:1.Battery Type: Li-polymer battery cells2.Capacity: ... time: 5hours. Product NameExternal Battery Case/ Backup power Battery CaseModel NumberFor iPhone 5Capacity2200mah,2500mah,2800mah ...