We dry camp only a couple of times per year but have been doing it now for about 15 years. Looking over your requirements and reading some of the other contributing posts, I would recommend picking up a "used" Honda EU2000 Companion generator. I see them for sale quite frequently and they are pretty bullet proof if properly maintained. Also, you can buy a Berg Fueling system quite reasonably through Amazon and this will keep your generator running for many hours and is hassle free especially if you run your Honda on "eco-throttle" mode which is also very quiet.
https://www.amazon.com/Bergs-System-...2735332&sr=8-2