Mophie has rolled out its new Juice Pack Air battery case for the iPhone 4. Like past Juice Pack Air models, the new iPhone 4 version integrates a rechargeable battery—1500 mAh, in this case—into a protective case with open access to the headphone port, camera + flash, volume buttons, ring/silent switch, and sleep/wake buttons. Mophie claims the new Juice Pack Air offers up to six hours of talk time over 3G, up to five hours of…
