Mophie has outed its new Juice Pack Plus battery case for the iPhone 4. Like the prior Juice Pack Air for iPhone 4, the Plus integrates a rechargeable battery—2000 mAh—into a two-piece, slide-on case with open access to the headphone port, cameras + flash, volume buttons, ring/silent switch, and sleep/wake buttons. Mophie claims the new Juice Pack Plus offers up to eight hours of additional talk time over 3G, up to seven hours…
