Still be confused by the original battery inside the smart phone which cannot meet our daily need especially when you are enjoying yourselves but your digital products strike for the power. Do not need to worry about that any more. You can get this one to help you or you can regard it as a present for the one you care. 9600mAh capacity and DC5.0V output can meet almost digital products demands. And plus the free 8 interfaces you can use it freely! - Portable 9600mAh multi battery pack - With 6 spec. adapter - Compatible with mobile MP3/MP4/PSP etc. - Input: DC5V/0.7A - Output: 5V/0.7A - Provides your cell phone/player emergency power by USB port - LED indicator light shows the charging state - Compact and lightweight design