... -LED indicators show you battery status.Each light means 25% power inside. Press the button one time--- showing the battery status ... charging. Built-in 2400mAh rechargeable lithium polymer battery supplies the power twice to your iPhone 3g(s) Fully protection for your ... )UP TO 5.3 EXTRA HOURS OF INTERNET TIME Description:Power on/off button includedDifference color included,white,black,cyan,deep ...