eufy 11S Max
eufy says the 11S Max climbs thresholds up to 16 mm (maker's number, step type not given) and stands 2.85 in tall.
Refill cost a year: not published. Why.
Price as of November 2, 2026.
| Limit | Maker figure | Source |
|---|---|---|
| Threshold, up to | 16 mm (maker's number, step type not given) | eufy.com |
| Height | 2.85 in | eufy.com |
Not published by eufy: a mop-lift height and how many days the dock holds.
On our guides
- Pet hair, hardwood floors: passes 0 of 5 pet checks
Compare: Which eufy robot vacuum to buy, Roborock vs Roomba.
Maker figures, not our tests. Method.
Amazon listing
We link eufy 11S MAX Robot Vacuum Cleaner, Super Thin, Quiet | Self-Charging, Easy to use, Cleans Hard Floors to Mediu. Not linked:
- Part or refill: Accessories Compatible for eufy 11S Max, 30C Max, 15C Max | Robotic Vacuum Replacements: 1 Roller Br
- A different model: eufy C30 Robot Vacuum and Mop for Pet Hair, 35,000 Pa Flagship Suction | AeroTurbo™ Multi-Cyclone Fi
Who it suits
Best for cleaning under low beds and sofas: 2.85 in, ahead of 100% of the 63 robot vacuums we track that publish it. The trade-off: the maker names no camera or light sensor for cords and socks, so pick up the floor first.
What the maker says the eufy 11S Max does
Obstacle avoidance
The maker does not say how it avoids cords, socks or pet messes. Pick up the floor before it runs.
App and Wi-Fi
- Without the app: Start a clean with the button on top or the remote. No app needed. (maker’s words)
- Without internet: It is made to run without internet. (maker’s words)
Parts, warranty and repair
Warranty: 1 year (maker page). Where eufy sells parts and how it handles repairs: eufy parts, warranty and repair.
eufy 11S Max refills
No yearly cost. Filter: no Amazon listing of the maker's own part. Rolling brush: the Amazon listing does not state the pack size. Side brushes: the maker does not say how many the robot uses at once.
More limits eufy publishes
Recall check (US and Canada): none found, November 2, 2026. eufy has 1 other robot recall on file, for different models: Battery in some eufy RoboVac X8 Hybrid robot vacuums.
Next: Robot vacuums under $500.
Other eufy models we track: C28, E25, E28, Omni C20, Omni E35, Omni S2, X10 Pro Omni. Side by side: Which eufy robot vacuum to buy.
See also: Can a robot vacuum work without WiFi? Our offline study.