UL Listed (UL File #MH60964, Model #2203). 2200 mAh Lithium Ion Grade A Non-Recycled Battery. Red LED Light Indicator When Charging. Features A USB Output And Micro USB Input (Cord Included). Output: 5 Volts/0.8 Amp. Charges Most Phones, MP3 Players And More!. Requires Your Phone’s Charging Cord To Charge Your Device.