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Dreame L40 Ultra Gen 2

DreameRobot vacuum

L40 Ultra Gen 2

Released December 2025.8Press articlevacuumwars.com/dreame-l40-ultra-gen-2-and-d30-ultra-ceRead 15 October 2026Article last updated 2026-10-01: Dreame expanded its lineup with two new configurations of the L40 Ultra Gen 2. The Dreame US store product feed was created 2025-12-09 and published 2025-12-14. The Canadian store was published 2025-12-14 Last checked 15 October 2026.

Suction
25,000Pa
Mop type
Spinning pads
Base station
Auto-empty and mop washing
Height
97mm

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At a glance

All specs

SourceCalculated

General

Series
L Series1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Listed under L Series in the store menu
Model numbers
RLL53SE, 010204AA001146, 010204AA001147, 010204AA001090, 010204AA0010911Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026US store SKUs 010204AA001146 (white) and 010204AA001147 (black) in the store product feed2Owner's manualmanualslib.com/manual/4399848/Dreame-L40-Ultra-Gen-2.htmlRead 15 October 2026Specifications page 20: robot model RLL53SE, base station model RCLE05126Retailer pageamazon.com/dp/B0FSJPFDPVRead 15 October 2026Item details: Model Number RLL53SE and Manufacturer Part Number RLL53SE. SmartHomeCompared gives the same model code9Spec databasesmarthomecompared.com/robot-vacuums/dreame-l40-ultra-gen-2Read 15 October 2026Model RLL53SE
GTIN / EAN
00850075094233, 00850075094240, 8101425627441Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026US store barcodes 00850075094233 (white) and 00850075094240 (black), written as the store prints them6Retailer pageamazon.com/dp/B0FSJPFDPVRead 15 October 2026Item details: UPC 810142562744 for the black unit on Amazon. It differs from the store barcodes, so it may be an Amazon packaging code
Announced
Not available
Status
Available8Press articlevacuumwars.com/dreame-l40-ultra-gen-2-and-d30-ultra-ceRead 15 October 2026In stock on Amazon on 2026-10-14
Predecessor
Not available
Successor
Not available
Launch price (US)
$649.994Maker product pagedreametech.com/blogs/blog/robot-vacuum-comparison-l40-l40s-ultra-ae-ceRead 15 October 2026Dreame blog dated 2026-02-10: the L40 Ultra Gen 2 was originally 649.99 USD. Gizmodo (2026-06-27) also gives a 649 USD standard price. The store regular price today is 799.99 USD and is not the launch price10Reviewgizmodo.com/prime-day-isnt-over-yet-and-dreame-l40-ultra-at-41-off-is-proof-25000pa-and-self-cleaning-dock-included-2000778180Read 15 October 2026Article dated 2026-06-27: 649 USD standard price, Prime Day price 384 USD
Launch price (EU)
Not available
Markets
US, CA3Maker product pageca.dreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Sold on the US and Canadian Dreame stores
Colours
White, Black1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Store options White and Black6Retailer pageamazon.com/dp/B0FSJPFDPVRead 15 October 2026Listing colours Black and White

Suction and brushes

Max suction (claimed)
25,000Pa1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 202625,000 Pa Vormax suction from a 6th-generation TurboForce motor. Footnote: based on in-house lab data
Suction power (claimed)
Not available
Main brushes
11Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Main Brush Type Rubber Brush. Box list: Main Brush x1
Main brush material
Rubber1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Main Brush Type Rubber Brush
Main brush (as published)
Not available
Main brush lift
No1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Main Brush Lifting is marked absent
Side brushes
11Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Box list: Side Brush x17Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Side Brushes 1
Extending side brush
Yes1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Side Brush Extending yes (SideReach vacuuming)
Side brush lift
No1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Side Brush Lifting is marked absent
Max carpet pile (claimed)
Not available
Robot dustbin
250mL1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Dust Box Capacity 250 ml7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Robot Dustbin Capacity 250 ml
Filter
Not available
Washable filter
Not available

Navigation and obstacles

Navigation
Lidar turret1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Navigation LDS. The turret sits on top of the robot and is part of the 97 mm height7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Navigation Type Spinning Lidar
Navigation system (as published)
Pathfinder1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Guided by smart Pathfinder technology, the robot scans its surroundings in 360 degrees
Obstacle sensors (as published)
3DAdapt obstacle avoidance with 3D structured light1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Obstacle Avoidance 3D Structured Light. Marketing: 3DAdapt obstacle avoidance with a built-in dynamic laser. Dreame's comparison blog says RGB AI plus 3D structured light, which conflicts with this table and with Vacuum Wars8Press articlevacuumwars.com/dreame-l40-ultra-gen-2-and-d30-ultra-ceRead 15 October 20263DAdapt structured light and Smart Pathfinder LiDAR
AI object recognition
No1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: AI Recognition and Object Type Count is marked absent. Vacuum Wars says the Gen 2 drops the RGB camera of the original L40 Ultra2Owner's manualmanualslib.com/manual/4399848/Dreame-L40-Ultra-Gen-2.htmlRead 15 October 2026The robot overview lists a laser distance sensor, bumper, edge sensor, cliff sensors and a carpet sensor. No camera is listed8Press articlevacuumwars.com/dreame-l40-ultra-gen-2-and-d30-ultra-ceRead 15 October 2026Article: the Gen 2 uses 3DAdapt structured light and Smart Pathfinder LiDAR and has no RGB camera
Object types recognized (claimed)
Not available
Dirt detection
No7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Dirt sensor No
Max threshold (claimed)
20mm1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Obstacle Crossing Height 0.79 in (2 cm)7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Threshold Climbing Height 20 mm. Vacuum Wars has not tested this model
Max two-step threshold (claimed)
Not available

Mopping

Mop type
Spinning pads1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Mop Type Dual Omni-Scrub Mops. DuoScrub system with two high-speed rotary mops
Extending mop
Yes1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Mop Extending yes. MopExtend RoboSwing protrudes up to 4 cm7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Extending Mop Pad Yes
Mop lift height
10.5mm1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Mop Lifting 0.41 in (10.5 mm). Footnote: the height difference of the robot before and after mop lifting7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Mop Raising Height 10.5 mm
Leaves mop at the dock
No1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Mop Removal is marked absent7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Drops Mop Pads at Station No
Mop downforce (claimed)
Not available
Mop speed (claimed)
Not available
Robot water tank
80mL5Maker product pagedreametech.com/blogs/blog/dreame-l40-ultra-gen-2-robot-vacuums-reviewRead 15 October 2026Dreame review blog dated 2026-06-12: robot water tank 2.71 fl oz (80 ml). The same blog says the dock refills the robot's 80 ml tank
Water flow levels
321Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 202632-level mop moisture adjustment, in-app

Base station

Base station
Auto-empty and mop washing1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026PowerDock empties dust, washes and hot-air dries the mop pads and refills the robot clean water box
Base station features
Hot-air drying, Robot tank refill, Self-cleaning wash tray1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Auto Hot Air Drying, Auto Water Box Refilling and the AceClean DryBoard self-cleaning washboard with 20 spray nozzles. Auto Solution Adding is listed as purchase separately, the module is not in the box, so auto_detergent is not stored
Base station water supply
Water tanks1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026The CA FAQ says the user empties the dock used water tank and refills its clean water tank
Base station dust container
Bag1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Dust Bag Capacity 3.2 L. Box list: Dust Bags x2
Base station dust capacity
3.2L1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Dust Bag Capacity 3.2 L7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Bag Capacity 3.2 l
Days between bag changes (claimed)
100days1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Auto-Empty up to 100 days. Footnote: based on in-house lab data7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Days Before Empty 100 days
Clean water tank
4.5L1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Clean/Used Water Tank Capacity 4.5 L / 4.0 L
Dirty water tank
4L1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: used water tank 4.0 L
Mop wash water temperature (claimed)
Not available
Mop drying air temperature (claimed)
Not available

Battery and charging

Battery capacity
5,200mAh1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Battery Capacity 5,200 mAh
Battery voltage
14.4V2Owner's manualmanualslib.com/manual/4399848/Dreame-L40-Ultra-Gen-2.htmlRead 15 October 2026Specifications page 20: Rated Voltage 14.4 V. 5,200 mAh at 14.4 V is 74.9 Wh
Rated power
75W2Owner's manualmanualslib.com/manual/4399848/Dreame-L40-Ultra-Gen-2.htmlRead 15 October 2026Specifications page 20: Rated Power 75 W for the robot. The base station rated input is 120 V 60 Hz 4.1 A during dust emptying
Max run time (claimed)
231min1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Up to 231 minutes and 1,679 sq ft (156 m2) in Vacuum Only mode under Quiet Suction. Footnote: in-house lab data6Retailer pageamazon.com/dp/B0FSJPFDPVRead 15 October 2026Listing: up to 231 minutes and 1,679 sq ft in Quiet Mode, Battery Life 231 minutes7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Official Battery Life 231 mins9Spec databasesmarthomecompared.com/robot-vacuums/dreame-l40-ultra-gen-2Read 15 October 2026Battery Life 231 minutes
Full charge time (claimed)
210min2Owner's manualmanualslib.com/manual/4399848/Dreame-L40-Ultra-Gen-2.htmlRead 15 October 2026Specifications page 20: Charging Time approx. 3.5 hours, stored as 210 minutes. SmartHomeCompared also lists 3.5 hours9Spec databasesmarthomecompared.com/robot-vacuums/dreame-l40-ultra-gen-2Read 15 October 2026Charging Time 3.5 hours
Recharge and resume
Yes1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026When the battery is low the robot auto-returns to the dock to recharge and resumes cleaning2Owner's manualmanualslib.com/manual/4399848/Dreame-L40-Ultra-Gen-2.htmlRead 15 October 2026Low battery sends the robot back to charge and it resumes unfinished cleaning tasks. Must be enabled in the app7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Recharge and Resume Yes

Noise

We could not find any of these 1 fields. Show them
Noise (claimed)
Not available

Connectivity and app

Wi-Fi standard
Not available
Wi-Fi bands
2.4 GHz2Owner's manualmanualslib.com/manual/4399848/Dreame-L40-Ultra-Gen-2.htmlRead 15 October 2026Specifications page 20: Operation Frequency 2400-2483.5 MHz. Amazon states 2.4 GHz only6Retailer pageamazon.com/dp/B0FSJPFDPVRead 15 October 2026Only supports 2.4G WiFi, for USA use only7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Wi-Fi version 2.4 GHz
Bluetooth version
Not available
Matter
Not available
Voice assistants
Amazon Alexa, Siri, Google Home1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Compatible with Alexa, Siri and Google Home. Spec table: Voice Control Third-Party
Built-in voice control
No1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Voice Control Third-Party, so there is no built-in assistant. Vacuum Wars agrees7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Virtual Assistant No
Companion app
Dreamehome5Maker product pagedreametech.com/blogs/blog/dreame-l40-ultra-gen-2-robot-vacuums-reviewRead 15 October 2026The Dreamehome App on iOS and Android
Saved maps
41Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Multi-Level Mapping accurately maps up to 4 floors. Stored as 4 saved maps
Live video
No7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Live Video Monitoring No

Measured

We could not find any of these 7 fields. Show them
Suction at the brush housing (measured)
Not available
Airflow (measured)
Not available
Embedded sand pickup on carpet (measured)
Not available
Pet hair pickup on carpet (measured)
Not available
Max threshold (measured)
Not available
Test obstacles avoided (measured)
Not available
Area per charge (measured)
Not available

Dimensions and weight

Front and side, drawn to scale.

Robot shape
Round1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Product photos show a round body, 350 x 350 mm
Robot width
350mm1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: 13.78 x 13.78 x 3.82 in (350 x 350 x 97 mm)
Robot depth
350mm1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: 350 x 350 x 97 mm
Robot height
97mm1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: 97 mm. The LDS turret is included
Height with sensor raised
Not available
Robot weight
4.01kg(8.8 lb)1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Robot Vacuum Weight 8.58 lbs (4.01 kg)9Spec databasesmarthomecompared.com/robot-vacuums/dreame-l40-ultra-gen-2Read 15 October 2026Vacuum Weight 4.01 kg
Base station dimensions
Width340Depth457Height590mm(13.4 × 18 × 23.2 in)1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Base Station Dimensions 17.99 x 13.39 x 23.23 in (457 x 340 x 590 mm). Read as depth with the ramp 457, width 340 and height 590 as for other Dreame docks
Base station weight
8.86kg(19.5 lb)1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026Spec table: Base Station Weight 19.53 lbs (8.86 kg)9Spec databasesmarthomecompared.com/robot-vacuums/dreame-l40-ultra-gen-2Read 15 October 2026Dock weight 8.86 kg

Certifications

We could not find any of these 2 fields. Show them
FCC IDs
Not available
Other certifications
Not available

In the box

In the box
L40 Ultra Gen 2 Robot Vacuum, Base Station, Main Brush (pre-installed), Brush Guard (pre-installed), Side Brush (pre-installed), Dust Box (pre-installed, including filter), Mop Pads x2, Mop Pad Holders x2, Dust Bags x2 (1 pre-installed), Base Station Ramp Extension Plate, Quick Start Guide, User Manual1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026What's in the Box on the US page

Warranty

Manufacturer warranty (source market)
3years1Maker product pagedreametech.com/products/l40-ultra-gen2-robot-vacuumRead 15 October 2026US store banner: 3-Year Warranty. Vacuum Wars lists 1 year7Measurementcompare.vacuumwars.com/compare/robot-vacuums/dreame_l40_ultra_gen_2Read 15 October 2026Compare page: Warranty period 1 years. The US store says 3 years and is stored

Compare with

Pick a robot vacuum to see both side by side. Differences are marked yellow.

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Variants

Each variant lists only what differs from the specs above.

Model numberGTINLaunch price (US)MarketsColours
010204AA00114600850075094233$649.99USWhite
010204AA00114700850075094240$649.99USBlack
010204AA00109000850075094233Not availableCAWhite
010204AA00109100850075094240Not availableCABlack

Sources

We read 10 sources for this robot vacuum. The numbers match the markers in the sheet.

  1. Read 15 October 2026Backs 47 fields
  2. Read 15 October 2026Backs 8 fields
  3. Read 15 October 2026Backs 2 fields
  4. Read 15 October 2026Backs 1 field
  5. Read 15 October 2026Backs 2 fields
  6. Read 15 October 2026Backs 5 fields
  7. Read 15 October 2026Backs 16 fields
  8. Read 15 October 2026Backs 4 fields
  9. Read 15 October 2026Backs 5 fields
  10. Read 15 October 2026Backs 1 field

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