There is Mini 1A Power Car Cigarette USB Adapter/Charger White (DC 12V). They have reasonable price and good quality. Gain this product you also gain the best after-sales services. Good choice for you!
New and high quality
Mini universal USB car charger adapter
This adapter plugs into your car´s cigarette lighter jack to become a powered USB port
Suitable for any devices that can charged through USB interface, such as MP3, MP4, iPod, digital cameras, PDA, cell phone etc
Dimension: 4.4 x 2.5 x 2.5cm / 1.73" x 0.98" x 0.98" (L x W x H)
Weight: 19g / 0.67oz
* 1 x Mini 1A Power Car Cigarette USB Adapter/Charger White (DC 12V)