Features:
Power on/off button makes more efficient usage of the fuel by only engaging when you decide to
Rechargeable through a standard 5-pin usb cable (included)
Fully supports syncing while iPhone 3G / 3GS is docked in the fuel
Fully ratcheting 180-degree belt clip
Easy slide in/out access to your iPhone 3G / 3GS
Extended Battery Life Specifications:
Talk time: up to 9 additional hours beyond standard iPhone 3G / 3GS battery life
Internet use: up to 7 additional hours beyond standard iPhone 3G / 3GS battery life
Video playback: up to 8 additional hours beyond standard iPhone 3G / 3GS battery life
Audio playback: up to 24 additional hours beyond standard iPhone 3G / 3GS battery life
Stand by time: up to 250 additional hours beyond standard iPhone 3G / 3GS battery life
Specifications:
battery capacity: up to 2300mA
battery charging current: up to 450mA
battery max discharging current: 2A
power consumption: 5V/2.5W
Case/Cover 
