The Mophie Juice Pack Air is the latest iPhone 3G (and iPhone 3G S) battery pack to come out of Mophie, and is the follow-up to the Mophie Juice Pack 3G. We’ve actually been big fans of the Juice Pack 3G since it launched last year, as it’s kept our iPhones running for just about twice as long as they normally would. FOr days during events like CES, that meant we could be checking email and texting all day and night without worrying about battery power dying. Of course, the Juice Pack 3G did have one drawback—its size. With the Juice Pack 3G on the device, it was just too big to fit anywhere comfortable, including a pants pocket. Looking to improve on that, Mophie has released the Juice Pack Air. Come on in for our full Mophie Juice Pack Air review, and be sure to enter our Mophie Juice Pack Air Giveaway!