The ProSport Cup Holder Power Inverter is suited to the onboard or on-the-road user that's in need of converting 12V battery power to 110V AC. Able to fit neatly in a boat or car cup holder.

This power inverter gives instant AC power to cell phone charges, laptops, portable TVs, radios, camcorders, lighting, and small power tools.

"Very nice car or boat 110 power supply.. UNIQUE STYLE."
 actual user feedback on WestMarine.com

"Works great, but can only handle devices that don't use a lot of wattage." 
actual user feedback on BassPro.com