Mobil phone battery charge,iphone 3G mobil phone charger

1. Designed for iPhone 3G,iPhone 3Gs
2. Can be used as a spare battery
3. No running costs
4. Can be charged trough the mini-USB port
5. No CO2 emissions
6. Transfer data and recharge your iPhone in the same time
7. Battery capacity: 1700mAh, 3.7V
8. Input: 5V / 0.8A mini USB
9. Output: 5V / 0.5A USB
10. Extends the use capacity of the iPhone
11. Protection chip:overcharge, overdischarge, overload and short circuit protection.
12. Dimension:124*67*22MM
13. Weight:150g