External Battery / Charging Case for iPhone 3G, 3GS (2000 mAh)

Product Name: Power Bank for iPhone 3G
Input: DC 5V 0.5A
Output: DC 5V 0.5A
Capacity: 2000mAh
Product Dimension: L126×W66×T23mm
Product Weight: 79.5g
Product Compatibility: iPhone 2G,3G,3G(S)
Standby Time: Up to 390 hours
Talk Time: Up to 6.5 hours on 3G
Up to 13.5 hours on 2G
Internet Use: Up to 6.5 hours on 3G
Up to 8 hours on Wi-Fi
Audio Play: Up to 31 hours
Video Play: Up to 9 hours