Dreame L40s Ultra AE
For buyers who want an AI camera for obstacle avoidance and remote viewing on a full self-cleaning dock; for carpet and pet hair, the plain L40s Ultra measured better.
Amazon $599.98$599.98
4.3/5
For homes that mop several kinds of floor and want a separate pad for each room without swapping them by hand.
- Washes mop + emptiesDock
- 88% measuredCarpet pickup
- LiDAR + cameraNavigation
- Dual spinning padsMop
- 3.5 inHeight
Check price at Amazon$849
Price checked October 26, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- The dock swaps between three mop pads by room, so the bathroom pad never touches the kitchen
- Lifted 88% of sand from carpet and 94% of pet hair, with no hair wrapped on the brushes, in Vacuum Wars’ tests
- Climbs thresholds and furniture bases up to 3.1 in
- Lowers its LiDAR to fit under sofas
- 3-year warranty
Cons
- Covered about 900 sq ft per charge in Vacuum Wars’ test
- MOVA lists the dust box only as “at least 300 ml, to be confirmed”
How it scores
The rating comes from 5 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Independent tests
What independent testers measured, on their own test floors with their own units. Carpet deep clean and pet hair are the share of debris lifted; these feed the Cleaning score.
| Tested by | Carpet deep clean | Pet hair | Hair tangle (0 = none) | Area per charge | Conditions |
|---|---|---|---|---|---|
| Vacuum Wars | 88% | 94% | 0 | 904 sq ft | Embedded sand in medium-pile carpet; flattened 2.5 in pet hair on carpet, two runs; 7 in hair tangle on hard floor (0 = none wrapped). |
Specifications
| Vacuum | |
|---|---|
| Claimed suction | 30,000 Pa |
| Main brush | TroboWave anti-tangle DuoBrush |
| Extending side brush | Yes |
| Mopping | |
| Mop | Dual spinning pads, leaves its mop at the dock for carpet, extends to edges |
| Mop lift | 10.5 mm |
| Leaves mop at dock | Yes |
| Extending mop | Yes |
| Water tank | 70 mL |
| Dock | |
| Dock | Washes mop + empties |
| Self-empties | Yes |
| Dust bag | 3.2 L |
| Washes mop | Yes |
| Hot-water wash | Yes |
| Hot-air drying | Yes |
| Detergent dosing | Yes |
| Clean water tank | 4 L |
| Navigation & app | |
| Navigation | LiDAR + camera |
| Obstacle avoidance | Dual-line laser structured light + RGB AI camera with LED light, recognises 240+ object types |
| Climbs thresholds | 80 mm |
| Build | |
| Height | 3.5 in (89.5 mm) |
| Retracting LiDAR | Yes |
| Battery | 6,400 mAh |
| Warranty | 3 years |
| Released | 2025-10 |
Alternatives in this type
Yeedi S20 Infinity
A strong-cleaning bagless roller-mop robot from ECOVACS’ sister brand; good results in testing, but yeedi publishes few specs and sells it only on Amazon.
Amazon $799.99$799.99
Ecovacs Deebot X12 OmniCyclone
For buyers who want a bagless roller-mop robot with no ongoing bag costs; its carpet results are good rather than great for the price.
Amazon $898.98$898.98
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