DBTech 175 Watt Portable Micro Power Inverter With USB Port - 12v AC to 110v DC Car Plug Converter For Your Ipod, iPad, iPhone, Tablet, PSP, DVD Players Laptops Netbooks And cellphones
I was skeptical about this product, but it actually works very well. We used it recently while camping to fill our airbed up using the car. We plugged this product into the car charger and plugged the airbed in.....it worked great!