We always plug the trailer into the house current for a couple of days before a trip to top off the batteries and get the fridge cooled down. Even on days of 100* outside, the fridge will cool down totally overnight when plugged in. Should work on 120vac or propane.
2018 JayFlight SLX 212QBW
1999 Ford F-250 Super Duty Lariat SC, 7.3L PSD, 3.73
Transfer Flow 50 gal aux; Andersen WDH
😁 "If a man says he’ll fix something, he will. There’s no need to remind him every 6 months.