My sailboat, which I also sold last year, had a Honda 2000i Generator, which put out 2200 watts, which ran the boats 12,000 BTU AC unit, charged the batteries (4 6-volt golf cart batteries and one deep cycle marine battery) ran the refrigerator freezer and all lights. My inverter, which I rarely used, was just 2,500-watts. On the cooler nights when the AC wasn't running, the inverter powered my flat screen TV so I could watch a movie while anchored up in some remote cove or creek for the evening. It also powered my onboard laptop. Sure miss that boat, but I'm well past the age to sail single-handed, safely.
All the best,
Gary

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PSR-S950, TC Helicon Harmony-M, Digitech VR, Samson Q7, Sennheiser E855, Custom Console, and lots of other silly stuff!
K+E=W (Knowledge Plus Experience = Wisdom.)