UL Listed (UL File #E485248, Model #AST-MP455A). 2200 mAh Lithium Ion Grade A Non-Recycled Battery. Features A USB Output And Micro USB Input (Cord Included). Output: 5 Volts/0.8 Amps. Charges Most Phones, MP3 Players And More!. Requires Your Phone’s Charging Cord To Charge Your Device.