1200mAh cold light Battery for iPhone 4 and iPod, 1000mAh

1. Compatibility iPod and iPhone (exclude iPod shuffle)
2. Battery pack 1200mAh rechargeable lithium-ion ploymer
3. Input DC 5V/0.5A; Output DC 5V/0.5A
4. Charge There is no button on the "icon", you can just simply plug it into your iPhone and it charges your iPhone right away
5. Status When you unplug the battery, it shows you the percentage left of battery
6. Size 74*46*16mm.