While traveling unless the generator is on, the fridge works off both the battery and the propane. It does not draw much battery. It just need a level ground to stay running. If parked in a high-slope driveway, it will shut down, The key is watch for your auto light, if lit, you are OK. Yes, as an ex-fire chief, you MUST shut off the propane fridge flame while fueling and also NEVER use a cell phone near open fuel pump. You would not believe the explosions cause by cell phone ringers at pumps. We show the videos to new trainees.
Bob & Sue Rowan
2012 Coachmen Mirada 29DS (SOLD)
2015 Keystone Bullet Travel Trailer
2016 F-150 Lariat with Auto Trailer Backup
Dog = Morki (Yorkie-Maltese) - Zoe