Which fridge do you have? Most owners of the new trailers are getting every efficient fridges, with batteries that don't have enough capacity to last a whole day, so good solar is crucial. Bigger battery capacity is crucial. Here is a rundown on the difference in dual 6v compared to dual 12v.…
You don't say where you will camp (sun saturated or sun phobic), but there are plenty of people who boondock for a few days with no more than a 100 amphr lead acid or AGM battery with solar. For only a 3-4 day stretch, a higher battery capacity will get you a longer period without sun, but it all depends on how much you…