?Quantity  1 Piece  Color  Black   Compatible Models  Samsung S4   Battery Type  Polyemer lithium battery   Capacity  3200 mAh  Input Voltage  5 V  Output Voltage  5 V  Material  Plastic   Output Current  800 mA  Features  Lightweight， small and portable; Can provide charge for your phone while protecting it from scratches， shock and dust; Convenient to use; Provides great angle for viewing， typing and playing w/ stand   Packing List  1 x Back case battery 1 x English user manual<img src="http://112.74.112.28/down/products/427455/427455_000.jpg">