How many batteries for an overnight?
I only have a converter on my 5er, so I can't operate any 120v items when I'm not connected to shore power. Found this out the hard way the other day. Pulled into the campground for our second ever ...
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You cannot carry nor afford enough batteries to run an AC unit. 15 amps @120VAC amounts to 150 amps @12VDC. You really need a generator to power high current draw items like the AC for more than two or three minutes
