TechSunny.com has the AT&T Black Micro USB Car Charger for iPhone, iPod, & most USB devices for $5.99 with Free Shipping for a limited time.

The AT&T Black Micro USB Car Charger is a lightweight and convenient charger that keeps your iPhone / iPod charged and ready even when you’re on the road. It connects easily to your car’s power adapter/cigarette lighter. To use the USB port, rotate the cap and insert a USB charging cable. it can charge a cell phone and other devices like an MP3 player at the same time as your iPhone or iPod. The AT&T Apple iPhone Car Charger, manufactured by AT&T is compatible with the Apple iPhone, iPhone 3G, iPod, & iPod Touch.