Specification: *4 Led indicators for power balance (0--25%--50%--75%--100%) *Stand function support *Capacity: 2600mah *Charging time: around 5-9 hours *Input voltage: 5V *Input Current: 500mA *Output Voltage: 5V *Output current: 500mA Features: *Ultra-thin design and perfect dimensions *Very light and convenient to carry *Easy installation and removal *Works as both an extended battery set and a protection case *External battery charger case for iphone 5 How to Use: *Charge this backup battery by connecting it to PC or laptop with the original usb cable; *When the indicate lights show 100% fully charge, then slide your iphone 5 into this battery case. Package Including: * 2600mah backup battery for iphone 5 * 1 Attention: * This rechargeable case doesn"t work with 5S/5C.