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).

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Standard portable electric generators are rather simple in operation. An internal combustion engine spins an electromagnet inside of windings of wire conductors to produce an electric current. For a ...

Portable generators can keep critical devices and appliances powered during an outage. Our top picks include solar, gas, and ...