If two 15 volt batteries were connected together the multimeter would show 3 volts. In parallel the voltage stays the same and in series it is doubled.
Battery Bank Wiring Diagrams 6 Volt 12 Volt Series And
How to hook up 2 12 volt batteries. Make a series connection to the two 12 volt batteries. This video is a quick video on how to connect two 12 volt batteries. There will be 24 volts about 28 volts with an alternator if two 12 volt batteries are wired together in series. Attach the positive and negative terminals from each battery together. Connect the positive terminal of one battery to the negative terminal of the other. Create a 450 amp hour 12 volt battery bank with four 6 volt batteries demonstrated in the video using four 6 volt 225 amp hours batteries wire the first pair of batteries a1 and a2 in series to output 12 volts at 225 amp hours wire the second pair of batteries b1 and b2 in series to output an additional 12 volts at 225 amp hours.
Repeat the process to add a third battery. How to wire two 12 volt batteries together. One way doubles the volts of the two batteries and the other keeps the same amount of volts. Connect one of the battery cables to the positive terminal on battery number one. For my trolling motor i can troll for 5 hours. Connect a wire from the negative terminal on the second battery to the positive terminal on the third battery.
Connecting two batteries will double the life of a battery when in use. There are two ways to wire up two batteries.
Gallery of How To Hook Up 2 12 Volt Batteries
