1.mini solar charger 2.photoelectric conversion device 3.Li-Polymer rechargeable battey cell ... -3500 portable and mimi solar charger with photoelectric conversion device AboutThe principle of the P-3500 Mobile Power ... power adapter, an input / output charging cable, 5pcs conversion (approve for Apple IPHONE, Samsung V8, Nokia, Sony Ericsson ... and mimi solar charger with photoelectric conversion device