Can you hook up batteries in parallel?
Can you hook up batteries in parallel? To join batteries in parallel, use a jumper wire to connect both the positive terminals, and another jumper wire to connect both the negative terminals of both batteries to each other. You CAN connect your load to ONE of the batteries, and it will drain both equally. What does a multi battery isolator do? Battery isolators are used in large trucks, RV's, boats, utility vehicles and other vehicles that require multiple batteries and backup sources of power. A battery isolator separates multiple batteries from one another to ensure that a vehicle has access...