Does your iPhone battery never last as long as you'd like despite our tips to give it more juice? Do you need additional backup power? If so, then you need a battery pack. Griffin's TuneJuice, which I ...
i.Sound on Tuesday introduced its 2-in-1 Charger & Backup Battery. The device offers additional power for the iPhone and all iPod models with a 30-pin dock connector. It costs $49.99. The device ...