That would get me a full week if I was really frugal. The battery is my limiting factor. I don’t recall ever filling my tanks in that time and the water would be adequate. Typically, though, I usually run a day or so short of that. If the granddaughters are with me it’s another story, it seems like I’m constantly refilling water. But I’ve taken up having them refill 5 gallon water containers and carrying them to the TT so that tempers it somewhat. Of course that only works if I’m near a water source.
I don’t carry a generator so I don’t have ac or a furnace. But I camp high enough ac isn’t needed and I’ve done so many winter hunting trips the cold doesn’t bother me. By the time the DW gets up I have the little 16’ TT warm just making coffee.