External Battery For IPHONE 4 4S

1,Capacity:2800mAh
2,rechargeable lithium-ion battery
3,Charge time: 8 hours
4,Weight :90.2g
5,one year warranty

1.Battery type: Lithium-ion batterty
2.Size:90x62x16(mm)
3.Weight:90.2g
4.Capacity:2800mAh
5.Input: 500mA MAX
6.Output: 800mA MAX
7.Cycle life:>500times
8.Operating temperature:-10°C—40°C
9.Transportation temperature:-20°C—50°C

10.Charge time: 6-8hours

Compatible with:
iPhone 3G 8GB/16GB,
iPhone 4GB 8GB 16GB,
iPod Touch,
iPod Nano,
iPod Classic,
iPod Video

OEM Support !!!