For Iphone 5 battery case :

1.material:ABS PC 

2.battery capacity:2600mah

3.output rate:5v/500mA

4.input current 400~500mAH

5.cycle life:500times

6.DC charging time:4hours

7.Chargering/sync ,simply plug in the USB turn micro USB to themicro USB female dock,

connect the USB to a powered USB equipment or computer.

new external battery pack for iphone 5