I am looking for a battery for my fifth wheel. I guess it is called a "house battery". For the purpose of running my 12V system in the event power fails or for not being connected to a post. My pri...
If you have the room, two 6V golf cart batteries, wired in series, is your best bet. The size is GC2.
The best brand is either Trojan or Rolls. These are expensive but top of the line !
Costco sells Interstate and Sam's club sells Duracell. Very good quality at very reasonable price. You can actually buy 2 of them about 50% more than 1 dual purpose/marine/RV battery. Two 6V batteries would store a lot more power than one 12V battery.
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