propane for everything - fridge, water heater, etc. depending on how far you’re driving you may consider turning the fridge off until you get where you’re going. To NOT run the furnace if you only have one battery. Do you have a generator to take with you to charge the battery if needed?
Tom Wilds
Blythewood, SC
2016 Newmar Baystar Sport 3004
2015 Jeep Wrangler 2dr HT