To whom it might concern,
The BMS 12/200 manual incorrectly says on the schematics drawing that "Up to five 12,8V LFP batteries can be connected in parallel" whereas the spec table in the same document and the datasheet says 10.
source:
https://www.victronenergy.com/upload/documents/Manual-BMS-12-200-EN-NL-FR-ES-DE.pdf