Following the debut of Juice Pack Helium, Mophie has released the slightly higher capacity Juice Pack Air for iPhone 5 ($100). Although it only carries 200mAh more power -- 1700mAh versus 1500mAh -- there are a few other elements designed to justify Air's higher price tag, including integrated button protection, surprising side switch protection, and a slightly more pronounced lip around the screen. As was the case with Helium, the short bottom, complete…
