Golf Cart Batteries

Welcome to the forum.

FWIW the management frowns on multiple posting of the same thing.

Don't you have a converter/charger in your RV?

Either use a six volt charger or connect them in series and charge with a 12v charger.

It is also a good idea to have a signature line or profile so we know what you have. It helps in answering questions.

Update your converter or even better get 100+ watts of solar.

Otherwise if motomaster puts out 20+ amps it is fine.

The charger is not as important as how you maintain the batteries. As was suggested, connect them in series and any decent 12-volt charger with a deep-cycle setting will do. I have a couple of chargers I bought from Sears. I also have a Schumacher I bought at an auto store. Make sure that the batteries are fully charged when you put the unit away after a trip. If it is going to be stored more than a couple of weeks, put the batteries on a trickle charger. Check the electrolyte level often. I check mine once a month. I also keep a desulfator connected to my golf carts when they are in storage.

Miles

Welcome to the forum. Have you ever read The 12 Volt Side of Life?
It's very informative.

You need to get a "smart charger" those old fashioned chargers will end up overcharging you battery. Walmart has a black and decker smart charger thats pretty good, and not too expensive. Get the highest amperage you can afford. I have the 45 amp and it works good and can get my batteries up from almost deat to 80% in 2 to 3 hours. I like mine.