I have a 2015 Airstream Interstate 24 GT with 2
12V AGM batteries under the side seat/ottoman on the driver sides. I would like to replace them with two Lifeline GPL-4CT AGM batteries connected serially. They are slightly larger so i don't know if that would be an issue? Would the current battery charger for the 12V's work. I assume on of the
12V wire battery pairs wouldn't be needed any longer. Would I have to change the wire that attaches to the battery from the motorhomes connection. I'm thinking the 2 6V batteries would be enough to power the fridge, freezer, laptop, tv, cellular hub overnight?