Well, rate of consumption is about .5 gallon at half load. (.3 no load .7 full load)
You have a 55 gallon tank, with the inlet being 1/4 tank up.
55 x 3/4= 41.25 gallons 41.25/.5= 82.5 hours straight give or take.
However when you're at a campsite you'll be plugged in, so no gen necessary.
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