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What Wire Gauge Should be Used to Wire Two 6-Volt Batteries in Series  

Updated 06/11/2020 | Published 11/18/2014

Question:

When connecting in series to create 12 volts, should all the wires be the same guage?

1

Helpful Expert Reply:

Yes, it is advisable to use the same wire gauge for all connections when wiring two batteries in series to provide increased voltage. This same idea also applies to a lesser degree when wiring multiple batteries in parallel to increase amp-hour capacity (with the same voltage).

expert reply by:
1
Adam R
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Larry C. profile picture

Larry C.

6/4/2020

WhaT SIZE WIRE DO i NEED TO HOOK UP THE TWO BATTERIES WIRED IN PARALLELL?

Chris R. profile picture
Etrailer Expert

Chris R.

6/8/2020

I would use pretty heavy gauge wiring for hooking up your batteries. Some 2 gauge wiring is a pretty safe bet.
Larry C. profile picture

Larry C.

6/8/2020

@ChrisR That is what I ended up using thanks for help.
Chris R. profile picture
Etrailer Expert

Chris R.

6/11/2020

@LarryC Excellent! Just let us know if any other questions come up.

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