... RMA 0.2% 5.Backup battery for iPhone4,4s 1900mah elegant design battery case for iphone4Features:1.Capactiy 1900mAh Li-polymer ... 3-4 hours, one and a half standby time for your iPhone 4/4s;4.Pure Hand Made, ... special silver frame5.White,black colors are for your choice6.Cut outs for all the iPhone 4/4s features, use ... . Specification Productioin Description 1900mah elegant design battery case for iphone4