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I have somewhat of the same issue, in that it's the JK inverter BMS. With 4 of them in parallel I can only ever see the one (master I assume, device #0). All the DIP switch's are set as per JK's instructions. Using PC software version 2.7.0, I see all the "Device" tabs along the top, but none of...

I've got 10.3 kW on the roof, and 40kW storage. My house uses 900W/hr +/- 100W, 24/7. Feb-Nov will typically charge to 100% every day. I've got another 280Ah battery on the way, so I guess I'll need to add another 2kW of panels ;)

Thx Adam, you have a beautiful setup there... I'm ashamed to post any pictures of mine... but it works! ;)

Hi Adam, can you point me to your YT Vid. Thx

What box, and from whom, are you referencing here pls? Thx

Thx my friend, I've got an inquiry to Hankzor Store (Aliexpress), but I'm not to confident they can/will help me with a replacement harness Are the connectors JST 2mm pitch?

https://www.aliexpress.com/item/1005004027834830.html?spm=a2g0o.cart.0.0.292c38dawf1biM&mp=1

Your 3rd photo (small transformer looking box)... Is it a step up or down transformer to power the display? I ask because after 3 months of working fine, I wake up with one of my 4.3" displays not working, and had thoughts that this might be the culprit.

Andy from “Off Grid Garage” shows how to get JK BMS to talk to Victron

I have the same charger, but I run it through a spare solar charge controller (Victron), and let it do all the "controlling). I run it all from a "solar" outlet, so the inefficiencies don't affect me to much.

Can't get my head around what's going on in picture no. 2