Based on this product's specifications, here are some alternatives and similar models
Vacuum cleaner accessory Roborock Power Board O20 G10 replacement part
Summary description:
Replacement Power Board for Roborock vacuum cleaner model O20 G10. This accessory is a direct spare electronic board intended for repair or maintenance of compatible Roborock units. Use it to restore functionality after circuit or power-module failure, keeping your vacuum operational without replacing the whole device.