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I've got this 6-21 cell BMS AP21S001 200A, all works fine. Only parameter I can't seem to save is the total capacity. It gets saved and returned when i read the config, but the app (and also the driver I use to read stuff to vitron VenusOS) is stuck in thinking I've got 280ah in my 200Ah...

I've tested my lifepo4 230Ah batteries and they delivered as expected (or even better). Now i'm down to 3.00v per cell (ish) JDB BMS is now set to trigger at: LOW 2.5v (reset 3.0v) HIGH 3.65 (reset 3.45v) I really don't need 230Ah, it was just the cheapest cell / kwh ratio at that point...

https://nl.aliexpress.com/item/1005002859534850.html This is the set I've ordered in Netherlands. Arrived within 8 days, price is bizarre. They have a valid QR and appear to be EVE cells produces about 1 year ago. for 0.17 EUR/KwH almost impossible to beat. Will post more later. unfortunately...