Pylontech charging voltage

You could try to set the DVCC controlling BMS to None and then the system will take into consideration the values set inside the inverter - those 52V and 51V if you set them that way.

Not necessary blocking absorption. They were, maybe, during balancing.
Similar with this: Random overload warnings - #28 by alexpescaru
They reached 100% after 5 hours in my case.