I agree with you! on 38'' a big battery bank a stout alternator and a big
inverter will do the job.
We use a 900watt microwave, toaster, coffee pot and other great electrical gear on our 32'' boat. 660 Amps of batteries,1500watt
inverter,130 amp alternator, plus solar panels. P.S. never ever turn off our Alder Barber 12vdc refrig.
Gene S/V Teacher''s Pet III