I picked up my 2016 TT very late last fall and once I parked it for the winter I removed the batteries (2 group 24 Interstates) to store in my garage for the winter. One of them refuses to hold a charge, and the other appears to still be in good shape.
Q#1. Is it necessary to replace both batteries as a pair? That is my plan unless everyone thinks it is ridiculous. The unit was used for 2 seasons.
Q#2. Did the 222SL originally come with two batteries? From the looks of the cables used to parallel the batteries, I'm not sure. The previous owner had a red cable between the negatives and a black cable between the positives. It appears the cable ends were modified to fit the battery terminals.
Q#3. Since my TT is sitting by my folk's shop and I don't want to bring it home for a couple of weeks yet, is it permissible to plug in the TT to a receptacle without having a battery installed? Will it cause any damage to the charger/inverter/whatever thingamajiggy? I will make sure the wires that attach to the batteries are insulated from touching anything.
Q#4. What's the consensus on Interstate batteries, these are the SRM24's? I have actually thought about just going with one SRM27. Opinions? I do have a Honda generator that will be accompanying us while out camping.
Thanks for any feedback.
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