Why not use 12 volts for your camper. 12v items are more and more available today . Microwaves, a/c , will require a generator /or shore power anyway. TV 's are 12 volt, lighting and most everything e...
I purchased a 400 watt ture sine wave inverter to run the entertainment center. I use home audio equipment and large 4k tv. For coffee makers and A/C I start the generator if boondocking. To me this represents the best of both worlds without a lot of money spent.