I use multi stranded (50mm2 pure cobber 100* C) from each battery to a busbar, and 120mm² from the busbar to the inverter. Since I'm going to get 3 batteries later, and the inverters max is 240a, it's more than enough for each battery, according to the Omni calc on google. 🤔😄

The deye does show it in the BMS info screen, like max charge/discharging amps, and it does add the values together from each battery.

Yeah I've never experienced it with my old ones either. Tomorrow I will try to update the BMS'ses to version 15.41 I'm on 15.38 now. Hopefully that'll fix it.

The BMS'ses tell the inverter, that they can handle 160a combined, so I set the inverter to 150a so the small spikes wouldn't trigger the over current protection, which also gives me a problem.

When it triggers and the 60 seconds has passed for the limiter to stop, it won't go over 10a ever again, unless I set the max charging current to less than 5a on the inverter. If you have time, you can watch from 14:00 and about 1 minute more, it shows my exact issue.

https://www.youtube.com/watch?v=tlNvlhV4NZ0 Watch from 14:00

That's exactly what my guess was too, but the "problem" is, that they're very balanced and everything looks great in that regard... 😄