Based on this product's specifications, here are some alternatives and similar models
Roborock vacuum cleaner accessory Dock PCBA for Q Revo (compatible) — replacement electronic dock board
Summary description:
Replacement Dock PCBA (printed circuit board assembly) designed for Roborock Q Revo docking station. Serves as the electronic control board for the dock, restoring charging and communication functions between robot and base. Suitable for maintenance or repair of Q Revo docks in white or black variants; helps return dock functionality without full replacement.