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clamar75000 avatar image
clamar75000 asked

How to charge 2 separated batteries with only one MPPT ?

I have two battery parks, one for the engine and one for services.

The services park is charged with one Solar Pannel through a MPPT 75/15, but this regulator has only one output.

How should I do to also charge the engine park ?

Thanks a lot

battery charging
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Matthias Lange - DE avatar image
Matthias Lange - DE answered ·

A few weeks ago I used an ArgoDiode to split the output of the MPPT.

https://www.victronenergy.com/battery-isolators-and-combiners/argo-diode-battery-isolators

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offroadflow avatar image offroadflow commented ·
0,3V drop...

Never convinced me working with diodes in this case.

Solenoids are a solid solution. Should be named "Solidnoids" hehe

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Matthias Lange - DE avatar image Matthias Lange - DE ♦ offroadflow commented ·

Just increase the charging voltage about 0,3V.

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