pop
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pop reacted to Youda in Youda's off-grid LABPylon BMS has a special counter for State of Healt for each brick. It's published via CAN bus, so I'm 99% sure that Venus is just reading the value.
Technically, whenever Pylon BMS encounters an alarm, it decreases SOH percentage counter a bit. For example, when you discharge some cell(s) too deep, overheat etc. 99% SOH does not mean that the cells were damaged nor that their capacity is lower than nominal. It just says that something dangerous happened in the past.