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).

With a pedal generator, you can turn human effort into usable energy—ideal for off-grid setups, emergency backups, or just a fun DIY project. This guide gives you a fast-track look at how pedal ...