Forum Discussion

Kd7vea's avatar
Kd7vea
Explorer
Apr 14, 2020

What solar panels, and what charge controller do I need?

I’m hoping you can help me with this, or at lest point me in the right direction. I have a motorhome that I’m going to add solar panels to. I have 12 100ah gel cell batteries. These are alpha cell 1...
pianotuna's avatar
pianotuna
Nomad III
Apr 14, 2020
KD7eva,

Since there are multiple batteries, 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

See #3 wiring for more than two 12 volt jars.

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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