I have the Samsung 18 Cft residential (electric only) refrigerator.
I have the Victron battery monitor which tells me the amp hour draw per hour.
At Quartzsite I logged an average of 9.5 amp hours when only the refrigerator inverter was running and ghost current draws.
So I suggest a minimum of 10 amp hours per hour for a calculation. 10 hours times 10 amp hours is 100 amp hours.
Good luck.
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