mophie juice pack air case and rechargeable battery for

mophie smartphones, unlocked cellular phones, new cellphones, cellphone accessories, wireless products and parts. The Juice Pack Air is a rechargeable external battery that is concealed inside of a protective form-fitting case for the iPhone 3G. It offers the protection of a hard-shell case while providing more than twice the battery of the iPhone alone; all in an ultra-thin, light-weight and low-profile design!

iPhone case and battery pack protects and adds battery life
Adds up to 20 extra hours of audio and six extra hours of video playback
Slim, low-profile design keeps iPhone portable
Four LEDs indicate amount of power left
Works with iPhone certified