... PSP,iPod, MP3,MP4,Mobile and other devices which requrie 5V power supply2.Battery capacity :25Wh3.Output voltage 5V Output current ... .5A (Rated) 2.0A(Max)4.Battery gauge :three stage charge level indicator ( low battery alarm )5.Battery protection : Over-charge /Over-discharge / ... *24*82(mm)13.Battery weight :180gFunctions :Compatible for PSP,iPod, MP3,MP4,Mobile and other devices which requrie 5~12V ...