Who is the Roborock - S9 MaxV Ultra for?
Strong choice. At 85.1 Mars Score it's in the A-tier (78-87) — the cluster just below the absolute leaders.
Pick this when you want flagship-tier specs without paying for the headline halo of the S-tier. The day-to-day experience is indistinguishable from the very top.
Mars Score is computed from 14 measured specs against the transparent formula for the robotic vacuums category. No editorial picks, no paid placement.
Roborock - S9 MaxV Ultra: advantages & disadvantages
Measured against every robotic vacuum we track, here is where the Roborock - S9 MaxV Ultra pulls ahead.
- ▲A suction of 22000 Pa — among the best robotic vacuums we track.
- ▲Includes mopping — a feature not every robotic vacuum offers.
- ▲Includes lidar — a feature not every robotic vacuum offers.
- ▲Includes ai obstacle avoidance — a feature not every robotic vacuum offers.
- ▲Includes self-empty base — a feature not every robotic vacuum offers.
No spec lands in the bottom quartile of the category normalization window — this product holds up across the weighted axes.
Pros are specs scoring ≥75% of the category normalization range. Cons are ≤35%. Derived from the Mars Score formula — no hand-curated lists.
At a glance
- Suction
- 22000Pa
- Battery life
- 180min
- Dustbin
- 350ml
- Mopping
- true
All specifications
Cleaning
- Suction
- 22000 Pa
- Mopping
- true
- Water tank
- 300 ml
- Dustbin
- 350 ml
- Carpet detection
- true
Navigation
- Lidar
- true
- Camera navigation
- true
- AI obstacle avoidance
- true
- Max climb
- 40 mm
Autonomy
- Battery life
- 180 min
- Self-empty base
- true
- Self-wash mop
- true
- Self-dry mop
- true
- Noise
- 65 dB
Hands-on coverage
Editorial pieces from the vsMars team that cover the Roborock - S9 MaxV Ultra.
Best Robot Vacuums in 2026 — Lidar Nav, Self-Empty Bases, Mopping
Roborock and Dreame still lead, with Eufy and iRobot closing on the mid-tier. What to buy by floor type and household.
Roborock S9 MaxV Ultra vs Dreame X40 Ultra — Pet Hair Pickup Lab
Standardized golden retriever hair distribution on three flooring types. Pickup percentage measured by pre/post weigh-in.
Latest from the lab
All lab reports →Popular comparisons featuring the Roborock - S9 MaxV Ultra
Top 8 closest matchups in the Robotic Vacuums category. Sorted by Mars Score proximity — these are the fights most worth your time.
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Frequently asked
What is the Mars Score for Roborock - S9 MaxV Ultra?+
Roborock - S9 MaxV Ultra scores 85.1 on the transparent Mars Score formula for robotic vacuums, computed from its published specs against the category's weighted normalization.
What category does Roborock - S9 MaxV Ultra belong to?+
Roborock - S9 MaxV Ultra is a Roborock robotic vacuum catalogued in the Robotic Vacuums category.
When was Roborock - S9 MaxV Ultra released?+
Roborock - S9 MaxV Ultra was released on 2024-04-10.
What is the suction of Roborock - S9 MaxV Ultra?+
Roborock - S9 MaxV Ultra has a suction of 22000 Pa.
What is the battery life of Roborock - S9 MaxV Ultra?+
Roborock - S9 MaxV Ultra has a battery life of 180 min.
What is the dustbin of Roborock - S9 MaxV Ultra?+
Roborock - S9 MaxV Ultra has a dustbin of 350 ml.
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