UL Listed (UL File #E485248 Model #2646). 2500 mAh Lithium Polymer Grade A Non-Recycled Battery. LED Indicator Light. Features A USB Output And Micro USB Input (Cord Included). Output: 5 Volts/1.5 Amp. Charges Most Phones, MP3 Players And More!. Requires Your Phone’s Charging Cord To Charge Your Device.