SWAN SW-12DC, mobile power supply. When I bought it I was told it worked. I have not tested it, but I will guarantee it for a week after its received. $14.00. Plus shipping 11 lbs. http://www.muchstuff.com/pics/SW12/SW12-A.JPG http://www.muchstuff.com/pics/SW12/SW12-B.JPG http://www.muchstuff.com/pics/SW12/SW12-C.JPG Eugene Rippen Auburn, CA 95603