Forum Discussion

wopachop's avatar
wopachop
Explorer
May 15, 2019

Are these 12v parallel batteries wired incorrectly?

These 12v batteries came with the trailer. Theyre mismatched and you can see the 2nd battery has more corrosion. Is that due to where the solar and ground wires are attached to the pair? The batte...
pianotuna's avatar
pianotuna
Nomad III
May 15, 2019
It is always worthwhile to wire in a balanced manner. This is what is balanced and best for twin twelve volt batteries.



As it often doesn't cost a dime more to do this, I think it is worth the trouble.

If you wish to understand the "why" surf here:

correctly interconnecting multiple twelve volt batteries

Others may say it doesn't matter--but unless there is a compelling reason to not optimize charging and discharging why not do it the best possible way?

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