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1. This forum is awesome. Now that I'm using solar as my only power source, I've been learning a lot about it and it is fascinating! 2. @Hedges what is AC coupling? And how would this setup be wired?

I meant voltage, not state of charge. Not sure on the shunt/MNSICOMM. Not sure what a shunt looks like.

If my solar panel setup had 187.5 VOC and 35.16 A and my battery was EVE (or CATL or REPT) 280ah 16s cells, would the battery be able to accept that amount of power that fast? I will have 2 charge controllers to handle the power, but that won't matter if the battery can't accept it. 187.5 VOC...

I have a mobile trailer setup with 10x PV panels, a Midnite Classic 250 charge controller, 2x SMA Sunny Island 6048-US inverters, and a 48v GNB battery bank with C/6 540 AH. I'm upgrading the 250w panels to 330w panels and have currently changed out half of them (5 of the 10). I'm still getting...

The Sunny Island does show SOC, which is always around 0.4v less than the charge controller. I'm thinking about combining some of the panels to make a larger overall system but may need a new charge controller. Thinking of a 4s4p to get around 4kw solar reliably at 80% of rated watts. Unsure of...

It does go into bulk mode, so I think it is just the old panels bringing the system down.