How To Hook Up 4 Batteries In Series. 12V RV batteries should always be wired in parallel because you want to keep the voltage the same but increase the amp hours. Connecting in series increases voltage only.
Figure 4 Batteries Connected in Series Parallel. Take another set of wires and connect the open positive and negative terminals to. Each set is wired in series creating 2 banks then the 2 banks are wired together in a parallel configuration.
Connect a wire to the positive connection on the lead battery and then connect the opposite end of the wire to the connection on.
How do you connect batteries in a series configuration. 6V RV batteries need to be wired in series in pairs to create a 12V battery. Connecting in series increases voltage only. If you were to connect 4 - 12V batteries in Series you would end up having a 48V setup that could really cause some major damage if not handled properly.
