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samaya avatar image
samaya asked

24v solar panels to 12v battery

Hello!

I have 1200w 24v solar panels to charge 12v batteries. What mppt solar charge controller i need in between?

MPPT ControllerschargerSolar Panel
2 |3000
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Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

For 1200W at 12V you need 100A.
Use the MPPT calculator to find the correct MPPT for your panels:

https://www.victronenergy.com/mppt-calculator

The "smallest" MPPT with 100A charging current is the 150/100.
If you can, connect some panels in series to get a higher PV voltage that makes the system more efficient.

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samaya avatar image samaya commented ·
Thank you Matthias!
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