CNET editors' take
Griffin's PowerJolt is a USB power adapter that is suitable for the
Apple iPhone,
iPod, or any portable electronics device that is capable of being powered or charged over a computer's USB connection. The PowerJolt fits into your car's cigarette lighter, transforming it into a USB port. Unlike the
XtremeMac Incharge Auto, two USB cables are included in the PowerJolt package: a USB-to-iPod/iPhone cable, and a USB-to-mini-USB cable (common for digital cameras, cell phones and non-Apple MP3 players). The Griffin PowerJolt is a good product that is offered at a fair price.