General Spec Type external backup battery Capacity 1000mAh Input DC 5V/1A Output   DC 5V/0.8A Charging Time 3 hours Standby Time up to 230 hours Talk Time 2G up to 8 hours Talk Time 3G up to 4 hours Audio Play up to 18 hours Video Play up to 5 hours Compatibility all iPhone and iPod series Features Compact, stylish and light-weight. Allow you to always have a battery charging backup when you are away from a AC outlet. Leave it plugged in to your phone and let it charge your phone on the go. Convenient built-in folding stand to watch videos on your iPod/iPhone. With four LED indicators for displaying the power capability. Powered via USB cable.