Shinefuture Slim External Rechargeable Backup Battery Charger Charging Case Cover for Iphone 5g 5s 2500mah Shinefuture Slim External Rechargeable Backup Battery Charger Charging Case Cover for Iphone 5g 5s 2500mah Design perfectly fit and Original for your Device Smart Battery (Optimized to lengthen your Phone performance time; No more out of power dilemma during important phone conversations) Each item is tested before shipping and 100% working Fast shipping, best price, best products and best service