L40s Ultra
DreameReleased Jan 1, 2025 · Analysis updated Feb 13, 2026
Robot vacuum with strong suction, self-cleaning dock, and large water tanks for mopping, covering over 2400 sq ft per charge. The Dreame L40s Ultra scores 82/100 based on 7 expert reviews in the robot vacuums category. Coverage includes reviews from Toptenreviews, Kubotonline, Vacuumwars, and Robot-review.
Critic Score
What's this?based on 7 expert reviews
Pros
- Excellent suction power(2)
- Advanced self-cleaning and drying dock(2)
Cons
- Bulky and unattractive dock(2)
- High price(2)
7 Publication Reviews
AI summary of this review
Exceptional cleaning performance, advanced navigation, and smart features make the L40 a market standout
Score estimated from the review text
AI summary of this review
The Dreame L40s Ultra delivers flagship-level cleaning performance at a competitive price, outperforming even more expensive models in multiple tests.
Score estimated from the review text
AI summary of this review
The Dreame L40s Ultra AE emerged as the standout model in the L40s series, offering the best combination of cleaning power, smart navigation, and obstacle avoidance at a lower price than the Ultra.
Score estimated from the review text
AI summary of this review
The Dreame L40s Ultra delivers flagship cleaning performance and genuine hands-off convenience with exceptional suction and self-maintaining dock, though it trades off camera-based obstacle avoidance ...
Score estimated from the review text
AI summary of this review
The Dreame L40 Ultra is a cleaning powerhouse, combining top-notch vacuuming and mopping with a dock that takes care of all the messy work for you.
Score estimated from the review text
AI summary of this review
The Dreame L40s Ultra robot vacuum has excellent suction power and can climb small steps, but has some issues with mapping and occasionally drags wet mops over carpets.
Score estimated from the review text
AI summary of this review
The Dreame L40s Ultra Robot Vacuum doesn't blow me away with performance, bouncing between sub-par and okay rather than great, though it excels at navigating obstacles in complicated homes.
Score estimated from the review text
