..way to charge batteries, I'd not take an battery operated almost anything unless it takes purchasable batteries. What are you going to do, finish the trim on the bunk flats while underway?

I like the one gallon sized shop vac, stores well, use mine all the time at the dock. Otherwise, it's a whisk broom and dustpan.

The list looks overlong for my tastes. Hand tools, mechanical tools, odd or end of specialty tools along those lines is about all I'd worry about.

IMHO...of course