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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

In at attempt to avoid the Assumption Label, I need to replace the 2 - 6v batteries in the below picture and replace them with 1 - 12v battery. If my research is correct, all I need to do is connect the positive terminal wire to the positive post on the 12v battery,and the negative terminal wire to the to the negative post on the 12v battery. Am I missing anything? We don't do a lot of boondocking, more than one night at a time while traveling. I assume, there's that word again,,,,,,that a 12v battery would be sufficient for our needs. Again, if I'm missing something, help me prevent the Assumption Label. Thanks in advance for the assistance and comments. IF, another little troublemaker word,,,,,I am correct. Any suggestions on a 12v battery as a replacement for the 2 - 6v ones???? As you can see the below batteries are NAPA,,,,,2 years and 1 month of service........