Based on this product's specifications, here are some alternatives and similar models
Vacuum Cleaner Accessory|ROBOROCK|Power board|9.01.3178
Summary description:
Replacement power board (circuit board) for Roborock vacuum accessory, model 9.01.3178 (Pearl C). Designed to restore or replace the original electronics that manage power distribution and control functions in compatible Roborock vacuum components. Suitable for repair technicians or users replacing a faulty board to recover vacuum operation and charging/control features.