How To Hook Up 2 12 Volt Batteries In Series. There are two methods to connect two 12 volt batteries. Connecting in series increases voltage only.

A series connection meanwhile increases the voltage by each individually connected battery. The images used here will focus on this setup but if you are using 12-volt batteries simply swap the numbers. Connect the negative terminal of battery 1 to the positive terminal of battery 2.
Wiring a battery in series is a way to increase the voltage of a battery.
Httpsamznto2USfBp5How To Wire your 12 volt Batteries in Series or Parallel to get one large. Figure 2 Batteries Connected in Series Figure 2 shows two 12-volt batteries connected in series. As in the diagram above two 6 volt 45 ah batteries wired in series are capable of providing 12 volts 6 volts 6 volts and 45 amp hours. The series connection adds the voltage of both 12 volt batteries for a total of 24 volts.
