Cosmetically the same as its prior PowerJolt car charger for iPods, Griffin's newest PowerJolt ($20) offers guaranteed, hassle-free compatibility with Apple's iPhone. As before, it comes with both iPod/iPhone Dock Connector and mini-USB cables to charge devices with and without accessories attached, and does not include line-out or other special functionality. The new packaging, shown here and planned for sale in AT&T stores, indicates that theā¦