First of all it is essential that all batteries involved are identical and have the same state of charge. There are two ways to wire up two batteries.
Dual Batteries Popup Camping 101
How to hook up dual batteries. Step 3 attach the new batteries. How to install a marine dual battery setup for your boat. Step 1 decide which batteries to buy. One way doubles the volts of the two batteries and the other keeps the same amount of volts. Pick the best battery switch for your boat. Install the second battery to the boat.
Make a parallel connection of the deep cycle batteries by connecting all the positive terminals together. You will first need to decide what kind of batteries to buy. If you install a second battery in the caravan link the two together as shown in drawing two then connect the positive from your solar regulator to the positive on battery b and the negative from your solar regulator to the negative on battery a that way any voltage drops will be equal between the two batteries. Do not over tighten the bolt but make it tight enough so the clamp cannot move on the battery post. If your energy use is limited to a 12 volt. Stacey walks you through different ways you can wire dual batteries in your vehicle and talks about what is the best way.
How to connect multiple batteries together. Check out the diagram for more info. Step 2 disconnect the old batteries. If you own a single battery inverter you can connect more batteries in parallel as overall voltage of pack will remain the same while capacity multiplies. Step 4 make sure there is enough air. Use the 12 inch end wrench to tighten the clamps bolt.
How to install dual rv batteries. Pick a location for the battery switch on. Connect multiple batteries in parallel with your power inverter solar hybrid inverter or ups to increase its backup. In parallel the voltage stays the same and in series it is doubled. Attach the battery post connectors to each top post on the deep cycle batteries. Make sure the dual battery switch is designed for two batteries some are onoff switches and will.
Secondly it is important to use short electrical cables of the same length and with suitable cross section for the connection of the batteries.
Gallery of How To Hook Up Dual Batteries
