In the simplest of terms, an AC generator supplies power directly to a 120-volt circuit to run AC accessories throughout a boat, as well as charge the boat’s batteries (through an AC-to-­DC charger).

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Portable generators are useful for a lot of things, from providing power during ...

These are the best portable generators from Consumer Reports' tests, including top-scoring recreational and inverter ...