Thanks for the info guys. That's one big thing I wondered about modified sine. It's making me thing I should spend the extra for a pure sine. The kids like to watch the TV's when driving and no matter how hard I try I can't sleep in so I like to in the morning until everyone else is up but I also like the idea of a ceiling fan at night.
I took the factory batterie out right when I bought it and put that on my cargo trailer and installed 4 large six volt batteries on the RV so I should be good for power but will have to do the math to be sure. I like dstankov's setup that will start the generator automatically.
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