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.
Pros and cons at a glance
- ▲Suction: 22000 Pa.
- ▲Mopping — supported.
- ▲Lidar — supported.
- ▲AI obstacle avoidance — supported.
- ▲Self-empty base — supported.
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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