1. Battery Type:Lithium-ion battery
2. Capacity:1000mAH
3. Rated Input: 5V,800mA
4. Rated Output: 5V,500mA
5. Charge time: Around 4 hours
6. Dimension: 62x42x13mm, the width & depth is same as iPhone 3G
7. Weight:40g
8. Compatible: Work for all iPhone 3G,iPhone,all iPod models