The Roborock S91COP is a Roborock robot vacuum distributed under a regional model designation within the S-series product range. The S-series architecture covers precision LiDAR-based mapping, high-capacity suction across multiple floor types, and systematic room scheduling, coordinated through Roborock’s established navigation platform. The auto-empty docking station adds a further layer of automation: after each cleaning session, the dock activates its internal transfer mechanism, drawing accumulated debris from the robot’s bin through a sealed channel into a dust bag housed in the station’s base compartment. The bag collects material from multiple dock cycles before reaching capacity, then seals at the removal point to keep the contents enclosed during the disposal process. This keeps the robot’s bin clear between cleaning runs and reduces the frequency of direct bin interaction for the user. Stocking a 6-pack ensures the dock continues clearing the robot’s bin on schedule, with replacement bags available before the current one reaches capacity and the bin-clearing cycle continues without interruption.
The basics
- Fits: Roborock S91COP with auto-empty dock
- Contents: 6 dust bags
- Closure: Seals on removal
- Part of: S-series auto-empty station system
- Sourced via Plus.Parts®







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