Hi, I've been reading how people take their pups to more "primative" campsites (no electric or public water or cable at the site). Benefits of saving money, less crowded, closer to nature, etc.. I was wondering, I know the fridge will work of propane, but will my propane heater fire without electric? Not sure, but I think its an electric igniter. Do I run that off a DC deep cycle to make it work? Thanks for your help.