How To Wire Two 12 Volt Batteries For Rv. To do this you will connect the positive of one battery to the positive of the other and do the same with the negatives. We have a photo see photo at right that shows how to wire the batteries in parallel.

Two 12 volt RV batteries wired in parallel is one of the most common set-ups and the one most RV dealers and manufacturers make room for. To wire two 6-volt batteries in series to produce 12-volts you would connect the load to the positive terminal of battery 1. Ad Free Shipping Available.
Single 12-volt battery.
Two 12 volt batteries. Once you have the batteries wired properly in parallel you will need to connect the 12 volt power wire. The 2 RV batteries will need to be connected in parallel to charge both of them. How To Wire 2 12V Batteries To An RV.
