Shinefuture Slim External Rechargeable Backup Battery Charger Charging Case Cover for Iphone 5g 5s (2500mah Yellow) Please be Confidence to choose this item,it works well for iphone 5s and iphone 5 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