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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...
time2roll's avatar
time2roll
Nomad
Apr 15, 2020
You have 1200 Ah of gel batteries?

900 watts is a bit much but should be fine. 600 watts is probably enough mounted near flat on the roof. You could keep the 3rd panel lose to attach in winter and tilt toward the low sun. Consider a 60 amp controller if you need 900 watts.

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