You didn't give the year of your RV or the battery. Did you run out of power often and kill the battery with draining to far repeatedly? If so, you would need a bigger battery. Like Siamese said you need to tell us what you need the battery to do. If you always park with electricity available a deep discharge group 24. Occasional single nights upgrade to a 27 or 31. Multi day stays, upgrade to 2 6 volt golf cart types.
Then, do you want to boon-dock a bit? Solar or generator?
Try the search bar above and spend a while learning about others who needed battery advice.
Make, year and model of your RV and tow always help get the best advice.
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2017 SLX 195RB
2021 Jeep Grand Cherokee Summit L 5.7L V8
Andersen WDH hitch, Renogy 100 AH Lithium &
200 Watts solar panels from Renogy
Prev. '14 Jeep Grand Cherokee Overland, gas 3.6 V6
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