Mophie Juice Pack air external battery for iPhone 3G

Mophie Juice Pack air external battery for iPhone 3G. The juice pack air is a rechargeable external battery concealed inside of a protective form-fitting case for the iPhone 3G. It offers you the full protection of a hard-shell case while providing virtually twice the battery life of the iPhone alone; all in an ultra-thin, light-weight, low-profile design.

Mophie Juice Pack air external battery for iPhone 3G Features
+ The world’s thinnest Apple certified “Works With iPhone” external battery in the world!
+ Rechargeable 1200mAh lithium polymer battery virtually doubles your time to rock, talk, surf and send.
+ Pass-through USB charging and sync with iTunes
+ Extended smart battery and full case protection
+ On/Off switch offers choice of battery or case
+ Integrated 4 LED charge status indicator

More information is available on the official website.