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).
The Champion 4500 AC generator/welder provides 4,500 surge watts (4,000 continuous watts) of 120/240-volt AC power. In welding mode, the unit delivers up to 140 amps of power. It features an 8-hp ...