I purchased them. https://www.amazon.com/gp/aw/d/B09YYH57WZ
And this is the MPPT board I bought: https://www.amazon.com/gp/aw/d/B08DY28BXW
I can't vouch for either of them since I don't have everything wired up and tested yet.
did you build the discharge circuit yourself, or did you purchase one. I am using these to charge my batteries:
https://www.amazon.com/gp/product/B082F7X8WS/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1
I purchased them. https://www.amazon.com/gp/aw/d/B09YYH57WZ
And this is the MPPT board I bought: https://www.amazon.com/gp/aw/d/B08DY28BXW
I can't vouch for either of them since I don't have everything wired up and tested yet.
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