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As reported by others, once cooled, we expect to consume ≤ 1 kW-Hr/day, or about one Battleborn GC2 battery.
These numbers are what we saw in our 18 years of cruising on a sailboat with an Isotherm Danfloss compressor. The fridge runs around 40 amps/day add in a freezer and you need 100 amps per day. Our fridge was exceptionally well insulated with 4" of closed cell foam on all sides, R-8 per inch stuff. We had 160 watts of solar panels on our boat, a 450 amp battery bank, and only a 5 c.f. fridge. After a week we needed an external charge as our solar input had not kept up with demand. A bigger battery bank would have kept the day of reckoning a little further out. We also had a wind generator, even though we were in the Caribbean we could never count on a set number of watts from the wind.
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Myrl and Gary
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