How To Charge An RV Battery While Driving

Above, The Beast in Jackson, Wyoming. Photo by Armand Vaquer.

Keeping the RV house battery charged while driving is easy. I make sure that the house power system is on so that the chassis alternator charges it while driving to dry camp somewhere. Before I even leave home, I would have it plugged into the 30 amp outlet in the RV garage overnight (at least).

If, while dry camping, the battery gets low, I'll fire up the onboard generator to charge it up.

There are other ways to keeping the house battery charged while driving and Do It Yourself RV has an article telling what they are.

They begin with:

With more and more people dry camping, knowing how to charge an RV battery while driving is important, as arriving with a fully charged house battery is key for a successful campout.

For years, RVers have relied on a 12-volt charge line to keep their RV house battery(s) charged while driving. The charge line basically connects the electrical charge coming from the vehicle’s alternator (tow vehicle or motorhome) to the house battery(s). While it was not the optimum way to charge an RV battery while driving, it sufficed.

To read more, go here.