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I have a 2023 Bay Star 3014 Class A Gas motorhome, which I store at an RV service center when not on the road. I would like to use solar power to maintain the chassis batteries. I have a large solar panel I used with a 5th wheel, but it had a built-in port to attach the cord. The Bay Star has no exterior solar port, and has two 6-volt batteries attached in series to supply 12 volts. My question is, where do I attach the positive and negative cables from the solar panel--both on one battery, or positive on one and negative on the other? Second question--is it possible/advisable to retrofit a solar panel to the Bay Star for this purpose? Newmar installs them on some of its diesel pushers. It does have an Automatic Generator Start that could charge the battery when it drops to a certain level, but that uses gas and I'm hesitant to run the generator when I'm not around. Any thoughts? (OK, that's three questions, but all to the same end.)

Chassis battery on a 2004 Fleetwood Bounder, workhorse engine, was disconnected from inside RV when I put it in storage. When I last checked, I couldn't get the steps to open. I made sure step switch was on but the light on the switch was not on. I started the engine and the steps still would not come out. I then noticed that none of the holding tank level systems were registering and only the house battery was registering its power. The chassis battery was not registering. I checked fuses which appeared okay. It’s weird that the engine starts right up but none of the panel buttons are working on the dashboard. When I tried to connect the chassis with the inside switch it did not make the clicking noise that it usually does and I also turned on house battery which worked fine. Any ideas why this may not be working. It worked fine before putting it in storage. All I did was disconnect both the house and chassis batteries at the inside switch over tbe door.

Greetings! I am buying new chassis and coach batteries. I would like to augment my research with experience from fellow forum members. I have a 2002 Winnebago Adventurer 35U. The batteries are housed in the stairwell and are well ventilated under the carriage.I bought my rig, Addie, with 2-12V group batteries. I do not know if they are 24 or 27/31. I plan to do a lot of dry camping this year. I will likely be running the AC/Furnace/Heat Pump, and the TV/DVD/Radio/CD, as well as charging phones, tablets, and lap tops, and using lights and sometimes vacuuming when "at home". So, here are my curiosities: What is your experience with 24 and 27/31 group variety batteries? What kind of CCA/CA, AH and RC ratings should I be looking for? Considering the price of a liquid cell maintenance battery plus watering system cost, what is the difference in price between the AGM or GEL variety. I recognize among the varieties there are differing considerations depending on my RV lifestyle, so, if you have any perspective +/- among the 3 varieties I would greatly appreciate hearing them. Sharon