How Do I Hook Up Two Batteries To My Rv. Related Questions What happens when you connect two 12-volt batteries in series. Connecting the battery or batteries to your RV is simple and can be done two ways.

Always connect the RV house battery bank to the first battery position as it will receive the full charge before the second battery begins to charge. Two 6-volt batteries above and two 12-volt batteries left. How To Wire 2 12V Batteries To An RV.
12V RV batteries should always be wired in parallel because you want to keep the voltage the same but increase the amp hours.
When you connect two or more batteries that dont charge and discharge at the same rate one battery will probably end up overcharged andor one battery will end up undercharged. When connecting two batteries together on an RV trailer you usually connect the batteries in parallel to draw 12 volts from both of the batteries. Do not use regular car batteries as they are used for smaller engines and wont last long in an RV. Use a maintenance type charger or smart-type power converter during periods of storage.

