Proporta has introduced its new TurboCharger Back Pack case for the iPhone 4.
The TurboCharger Back Pack is a hybrid battery/case, featuring a built-in 1700 mAh rechargeable battery pack, a microUSB port for charging, pass-through openings for the speaker and microphone, open access to all ports and controls save for the dock connector, an LED battery status indicator, and a two-piece slide-on design.
Proporta’s TurboCharger Back Pack for iPhone 4 is available now and sells for $67.
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