Mophie Juice Pack Air Case and Rechargeable Battery for iPhone 3G, 3GS (White) for $11.49

Get the most out of your iPhone 3G or 3GS with the Mophie juice pack air. This durable, ultra-thin case houses a rechargeable battery that virtually doubles your rock, talk, surf and send, while protecting your iPhone from everyday wear and tear. With the juice pack air protecting and charging your iPhone, you can enjoy up to 20 extra hours of audio and six extra hours of video playback, in addition to iPhone's battery life. The juice pack air At a Glance: Adds up to 10 hours of talk time and 8 hours of Web browsing to your iPhone.