UL Listed (UL File #MH60964, Model #2205) | 2200 mAh Lithium Ion Grade A Non-Recycled Battery | Features A USB Output And Mirco 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. Approximate Size: 3 1/2″, Imprint Area: 2 3/4″ W x 3/8″ H