Connecting Batteries in Series or Parallel

A.H. Trimble - Emergency preparedness information for disasters and grid-down

hooking batteries together in parallel or seriesWhy connect batteriestogether at all?  There are times when you need power for a longer period of time. Or, you need double the voltage that you get from a single battery.

Here’s the rule – series doubles the voltage, parallel provides longer power.

“But how am I supposed to connect my battery if I want to double the capacity but not the voltage?”

It can be confusing if you’ve never done it, but hopefully this will make it easier. Let’s give you a picture to show how it is done –

Connecting in Series

When connecting your batteries in series you are doubling the voltage while maintaining the same capacity rating (amp hours). Just use a jumper wire of sufficient gauge (usually 2 – 8) between the negative of the first battery and the positive of the second battery. Run your negative wire off of the open connector from the…

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Author: Alfred E. Neuman

73 year old geek, ultra-conservative patriot.

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