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Renogy DC to DC Charger

New Member here and Just wanted to stop by and say hi. I stumbled upon Will’s videos on YouTube and it brought me here. Looking forward to learning new stuff from all you great folks!

Was wondering if all series strings need to be the same voltage? Example.... I have 15 solar panels wired in strings of 3, each panel is rated for 37 Voc. So 111 Voc per string x 5. I wanted to wire them up in strings of 4, but that would leave me with a string of only 3 panels. Would the...

Thanks for the info, I’m in Tampa Fl, it only gets cold here over night in Feb. Would the string of 3 be a problem?

Correct! Thanks for the info... How about the string of 3? How will the lesser voltage in that string play into the bigger scheme of things?

Thanks for the reply, but it still doesn’t answer my original question...

I think we are missing the point here a bit guys, All panels are exactly the same. Same model, voltage and amperage. I’m just asking about using 1 less panel on the last string, that’s all. Forget the SCC, wiring, breaker and so on. I look at it as a series string in a array getting partially...

Maybe, would need to get with the wholesaler and see if they have another 1. No worries, I shouldn’t have confused the issue by adding the info for the SCC. My PV runs are around 50’ each to my 4 string combiner. I would need another loaded combiner for the 5th string, Plus wire to combine...

That’s what I was fearing. Thanks for replying.

Definitely the info I was looking for. Thanks for adding. I will need to find a panel similar to the ones I have now.