Should I connect my batteries in parallel or in series?

Wednesday, 3 August 2016  |  Admin

Should I connect my batteries in parallel or in series?

Connecting batteries in series

Connecting batteries in series means connecting the (+) terminal from the first battery to the (-) terminal of the next battery.

When you connect batteries in series the voltage of each battery gets added together, increasing the total voltage of your battery bank.

For small systems you will usually want to achieve a total of 12 volts.

Here are some examples:

Two 6V batteries are connected in series, the total voltage is 12V

Six 2V batteries are connected in series, the total voltage is 12V

Connecting batteries in parallel

Connecting batteries in parallel means connecting the (+) terminals of each battery together, and connecting the (-) terminals of each battery together.

When you connect batteries in parallel you increase the storage capacity, but the voltage of your battery bank is not increased.

This is useful if you have several 12 volt batteries, but you still want to run your system at 12 volts.

Here are some examples:

Two 12V batteries are connected in parallel, the total voltage is 12V

 
 
 
 
 
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