BlueSolar MPPT 75/10, direct current source that simule the solar panel

DIY
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1

Hello. I am Israel, greetings to everyone in this community.

I have a question regarding the product “BlueSolar MPPT 75/10”. Can I connect 2 “BlueSolar MPPT 75/10” in parallel, with the first unit connected to the respective solar panels and the second unit connected to a direct current source that simulates the solar panels? The goal is to charge some batteries either from the solar panels or from a DC source powered by the electrical grid. My load is small, only about 120W running 24/7, which complicates the option of acquiring larger equipment that fulfills this function due to the cost it represents. Logically, all voltage and current levels would be within the equipment’s ranges. Thank you…

Or maybe there is a more economical option?

I am attaching a diagram.

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173022094535653700753753118239811920×1444 464 KB

2

I think every standard battery charger is more suitable then the MPPT 75/15, tracking probably doesn’t work with a constant-current source.

3

Thank you.

Please, one more question: do you think it is possible to connect an MPPT 75/15 in parallel with a standard battery charger? Thanks again.

4

Yes, no problem