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We gotta stick together ?

Roger that! Thankyou everyone for all the help, I will post pictures of the completed project! ?

I am attempting to help someone who knows less than me set up a solar system that was sold to him. From what I understand, it's decent equipment. (6) REC twin peak 2 mono series, pmpp 320w solar panels (12) 12v 100ah agm batteries in series parallel (3 sets of 4 batteries in parallel(48v) in...

Sorry I was still uploading the pictures. The voc for the pannels is 40v. Isc is 10.3. Max input voltage on flex max is 150 vdc if I'm reading it correctly (see pics) thankyou for the speedy reply Mr. Sandals.

Ok I'll pick up some of the mc4 fuses. Now, when you say in a balanced manner, does my crayon drawn diagram look Ok? The charge controller is set up to balanced the batteries daily. Is that enough?

Oh I see. That makes sense now. The way I had it will draw from the ends compared to equally from each battery. Thankyou curious carbon! I will update drawing and post!

I'm sorry, ya I ment 2 sets of 3. I'll probably fuse just for the heck of it.

Ok but wouldn't I want all the runs from bank to inverter and charge control to bank to be the same length right? Something like this? (See pic) sorry there's smoke coming out of my ears right now. Not an artist nor an eletrical engineer in the least bit.