How much does the L40s Ultra AE cost?

Dreame lists the Dreame L40s Ultra AE at $669.99. We last verified it against Dreame’s own listing on Sep 19, 2026.

What are the L40s Ultra AE specifications?

Dreame publishes suction of 19,000 Pa, navigation of LiDAR, self-emptying dock of Yes, and mopping of Yes for the Dreame L40s Ultra AE. In total 6 of the 10 robot vacuums attributes we track are published for this model; the rest read Not published.

Does Dreame list the L40s Ultra AE with self-emptying dock?

Yes. Dreame lists self-emptying dock as included on the Dreame L40s Ultra AE.

How does the L40s Ultra AE compare to the Aqua10 Roller?

On manufacturer-published figures: The Aqua10 Roller lists a higher suction and max climb. Every attribute either model publishes is set side by side on our comparison, with unpublished figures marked rather than guessed.

Can you buy the L40s Ultra AE?

We record the Dreame L40s Ultra AE as buy now. A real purchase path exists for a buyer in the US today.

Buy now2026

Dreame L40s Ultra AE

Name: Dreame L40s Ultra AE
Brand: Dreame
Price: 669.99 USD
Availability: InStock

Dreame L40s Ultra AE robot vacuum and mop with 19,000 Pa Vormax suction, MopExtend edge mopping, and PowerDock auto maintenance.

$669.99

List price verified Sep 19, 2026 · methodology

Specifications

6/10 published

Robot Vacuums specification attributes for Dreame L40s Ultra AE
Suction	19,000 Pa
Navigation	LiDAR
Self-emptying dock	Yes
Mopping	Yes
Battery runtime	Not published
Onboard dustbin	Not published
Obstacle avoidance	Not published
Max climb	40 mm
Noise	Not published
App control	Yes

Values entered only where Dreame publishes them. We do not estimate, interpolate, or copy figures from reviews.

Price & availability tracking

Methodology →

Current list price: $669.99
Last change: No change recorded
Last checked: Sep 19, 2026; Checked weekly

Where this price sits in the category

At $669.99, the Dreame L40s Ultra AE sits below the $899 median list price of the 79 robot vacuums we track with a published price, in a range running from $149.99 to $1,799.99.

Category low: $149.99
Median of 79: $899
Category high: $1,799.99

Computed from manufacturer list prices held in the database when this page was rendered.

How the L40s Ultra AE differs from other Dreame models

Straight differences in the figures Dreame publishes for each model in this category. Attributes either model leaves unpublished are excluded rather than guessed.

vs Dreame Aqua10 Roller

$899.99Specs →

Lower on the L40s Ultra AE

Suction: 19,000 Pa on the L40s Ultra AE against 30,000 Pa on the Aqua10 Roller.
Max climb: 40 mm on the L40s Ultra AE against 60 mm on the Aqua10 Roller.

3 published attributes are identical on both models.

vs Dreame Aqua10 Roller AE

$899.99Specs →

Lower on the L40s Ultra AE

Suction: 19,000 Pa on the L40s Ultra AE against 30,000 Pa on the Aqua10 Roller AE.

4 published attributes are identical on both models.

vs Dreame Aqua10 Ultra Roller

$799.99Specs →

Lower on the L40s Ultra AE

Suction: 19,000 Pa on the L40s Ultra AE against 30,000 Pa on the Aqua10 Ultra Roller.
Max climb: 40 mm on the L40s Ultra AE against 80 mm on the Aqua10 Ultra Roller.

2 published attributes are identical on both models.

vs Dreame D20 Air Plus

$269.99Specs →

Lower on the L40s Ultra AE

Suction: 19,000 Pa on the L40s Ultra AE against 20,000 Pa on the D20 Air Plus.

4 published attributes are identical on both models.

vs Dreame D20 Plus

$369.99Specs →

Higher on the L40s Ultra AE

Suction: 19,000 Pa on the L40s Ultra AE against 13,000 Pa on the D20 Plus.

4 published attributes are identical on both models.

What Dreame does not publish for this model

Dreame does not publish 4 of the attributes we track for the L40s Ultra AE, listed below. Those rows read Not published rather than carrying an estimate.

Battery runtime
Onboard dustbin
Obstacle avoidance
Noise

L40s Ultra AE questions answered from published data

How much does the L40s Ultra AE cost?: Dreame lists the Dreame L40s Ultra AE at $669.99. We last verified it against Dreame’s own listing on Sep 19, 2026.
What are the L40s Ultra AE specifications?: Dreame publishes suction of 19,000 Pa, navigation of LiDAR, self-emptying dock of Yes, and mopping of Yes for the Dreame L40s Ultra AE. In total 6 of the 10 robot vacuums attributes we track are published for this model; the rest read Not published.
Does Dreame list the L40s Ultra AE with self-emptying dock?: Yes. Dreame lists self-emptying dock as included on the Dreame L40s Ultra AE.
How does the L40s Ultra AE compare to the Aqua10 Roller?: On manufacturer-published figures: The Aqua10 Roller lists a higher suction and max climb. Every attribute either model publishes is set side by side on our comparison, with unpublished figures marked rather than guessed.; Compare L40s Ultra AE and Aqua10 Roller →
Can you buy the L40s Ultra AE?: We record the Dreame L40s Ultra AE as buy now. A real purchase path exists for a buyer in the US today.

Compare with

Other robot vacuums measured on the same attributes.