So, I am one of many that have 3x MultiplusII and pack of Pylontech US5000 batteries.
Everything is great, the system works, charges and discharges using my AC-coupled solar, etc.
It recognizes the battery over BMS can bus, reports all indicators, except the battery history.
I would love to provide home assistant with the information, so it can show in energy monitor.
I found one project to read this information using the battery console port, translating it using RS232 to TTL chip into ESp8266 and reporting to MQTT. But this seems questionable to me - it feels like the same information should already be available to CerboGX and CAN bus connection with the battery.
But for some reason, Cerbo reports null for the value.
I've read multiple threads, where people suggested to fully charge the Pylontech and only then it starts to display the value, etc. I've tried that, to no avail, unfortunately.
There is also one 2 year old forum here with similar topic, no result.
Does anyone have any ideas on how to get the information without additional HW to be installed onto the battery by any chance?