iPhone car mounts will likely surge in popularity after the launch of the new iPhone, thanks to iOS 6's newly built-in turn-by-turn navigation feature. So it's only somewhat surprising that Arkon would choose now to release SuperCharge ($45), a iPhone 3GS/4/4S-compatible powered car mount. Built with the soon-to-be-classic 30-pin Dock Connector, SuperCharge both holds and powers your iPhone, using a screw- and ball joint-based arm with a handsome…
