Your RV will be either a Amp rig or a Amp rig. Solar panels are rated by watts of output and the more watts they produce, the larger they are. We all learned this in our basic science classes in school, but most of us forgot it. We didn't know that at the time we bought our rig, so we just said "Yes, give us the generator option. There are also hybrids out there that are designed to start motors and provide long-term energy. Occasionally you will run into stories of people being shocked or worse due to incorrect wiring of the campground pedestal.
Never mistake a household volt four-pin outlet, such as those serving cookers or clothes dryers, for a volt four-pin amp RV outlet.
RV Electrical: All the Basics You Need To Know!
But with a little research I found that these are basically one and the same. As for maintenance, you should keep the battery terminals clean and make sure the water levels are kept up only use distilled water in batteries. Most RVers prefer the "dogbone" type adapter shown on the left. One last comment on calculating amps and tripping breakers. The down position should be "off" and the up position should be "on", but that's not always the case. Well, I won't get into that, but just think of it as how many amp hours a battery can supply in a day from full charge to being fully discharged used up.