(1) Capacity:1000mAh
(2) External Battery power station for Iphone 3G or Ipod .
(3) Rechargeable Backup Battery,can use data cable charger then store power.
(4) Compatible with Apple iPhone 2G, Apple iPhone 3G, iPod Touch, iPod Nano 3G
(5) Input:DC5.0V,800mA, Output:DC5.5V, 400mA
(6) Battery Type:Li-ion
(7) Cycle Life:> 500times
(8) Charge time: 2 hours