... :CE UL Adavantage:10W USB, cellphone adaptor Rechargeable Battery Pack 5V 1500mAhFeatures:1.External lithium battery pack for PSP,iPod, MP3,MP4,Mobile ... *82(mm)13.Battery weight :180gFunctions :Compatible for PSP,iPod, MP3,MP4,Mobile and other devices which requrie 5~12V power supply ... alarm. Out of power can be placed at anytime anywhere. Lithium Battery Pack 5V for mobile phone