Dreame L40S Ultra Robot Vacuum and Mop with Self Cleaning and Auto Empty DREL40SU

Enjoy a cleaner home with less effort thanks to the Dreame L40s Ultra, a smart robot vacuum and mop featuring powerful 19,000Pa suction, a dual spinning mop system, and fully automated self-cleaning and auto-empty functions.

Designed for busy households and pet owners, it Dreame robot vacuum automatically empties dust and washes mop pads with 75C hot water, offering up to 100 days of hands-free cleaning. Its advanced AI navigation and obstacle avoidance ensure efficient, customised cleaning on all floor types, even around furniture and clutter.

With voice assistant compatibility and app control, you can schedule, customise, and monitor cleanings with ease. Perfect for modern lifestyles, the Dreame L40s Ultra combines convenience, hygiene, and high-performance cleaning, all in one sleek device.

 

• 19,000Pa Vormax™ Suction
• HyperStream™ Detangling DuoBrush
• Versatile carpet cleaning
• EasyLeap™ 40mm Obstacle Clearing
• Dual Flex arm technology
• Smart Multifunctional PowerDock™
• AceClean™ DryBoard
• 3DAdapt obstacle avoidance

Peace of Mind

Enjoy peace of mind with a 24 month limited manufacturers warranty

Wet & Dry Cleaning

Tackle basic vacuuming duties to liquid spills & accidents.

Self Emptying

Automatically empties the onboard dust bin into a larger collection bin in the docking station.

Bagless

Just empty the dustbin and carry on cleaning.

 

L40s Ultra packs up to 19,000Pa suction to tackle the trickiest mess, wet and dry, hidden in hard floor gaps or rugs. On top of the 100% detangling performance, it reaches tight corners using flexible mops and a side brush and clears obstacles up to 40mm high.

 

 

TurboForce 6.0

Powerful Yet Low-Noise Vacuuming

L40s Ultra delivers up to 19,000Pa* suction to effectively capture debris like paper scraps, hair, and cat litter from various surfaces—all while operating quietly*.

 

HyperStream™ Detangling DuoBrush

0 Tangles for Minimal Care

Made with 2 different brushes ingeniously structured, the HyperStream™ Detangling DuoBrush conquers carpets and hard floor gaps altogether, leaving no tangles or dust behind*.

 

 

Precision Cleaning for More Types of Carpets and Mats

L40s Ultra identifies your carpets and mats and decides the optimal cleaning strategies. Alternatively, you can create a personalized plan for even more tailored results.

 

 

Corners Don't Stand a Chance

L40s Ultra smartly extends its side brush to capture dust and stretches its mops up to 4cm* to wipe out sticky mess, be it under beds and in nooks.

100%
Edge & Corner Coverage

 

 

Take on Wet and Dry Mess Separately

TripleUp Tech enables L40s Ultra to lift and lower its side brush, main brush, and mop pads separately to deal with different mess types.

 

Dirty Liquids & Dried Spills

Lifts the side and main brushes and lowers the mop pads, keeping the brush dry and preventing dust box smells.

 

Scraps or Other Dry Debris

Lifts the mop pads and lowers the side and main brushes, safeguarding carpets and rugs from moisture.

Smoothly Overcome 40mm High Barriers

Our EasyLeap™ system features 4 wheels that help the robot vacuum climb steps and door tracks up to 40mm* high. This design is effective even on damp floors, slippery kitchen surfaces, or sliding door tracks.

 

40mm Double-Layer Step

 

22mm Single-Layer Step

 

• Auto-Clean Mop Pads with 75°C Hot Water*

Personalise mop cleaning with multiple settings to tackle oil stains or grease while a scale inhibitor prevents scale buildup.

• Up to 100 Days of Auto-Empty

Embrace auto-empty with a 3.2L large dust bag within the dock, letting the robot vacuum handle the dirty work for 100 days in a row*. Additionally, the enhanced dust box captures 90%+ more dust* with each pass for a smoother and more efficient cleaning experience.

• Smart Auto-Solution Refills

L40s Ultra simplifies daily cleaning by auto-refilling a multi-surface detergent* when needed, keeping your mops refreshingly clean so your floors stay pristine.

• Steady Water Tank Refilling

Automatic tank water refilling ensures an uninterrupted water supply for continuous mopping sessions. The dock adds water to the robot vacuum's tank, keeping mops wet.

• 100% Dry Mops*—Less Odors

Keep mop pads clean and odor-free without any effort. The automatic hot air drying prevents mildew buildup, ensuring a consistently fresher and safer home.

 

Integrated Washboard Minimizes Residue and Odors

The AceClean™ DryBoard thoroughly cleans the washboard and pads simultaneously, preventing dirt and water residue buildup*—no more bending down to clean up.

 

 

Navigate and Map

Hazards Are No Worries

L40s Ultra recognizes and smartly avoids everyday household objects*. Plus, the built-in LED lights illuminate the robot cleaner's path for accurate maneuvering even in low light conditions.

Specifications

• Robot Vacuum Dimensions350 x 350 x 97mm
• Base Station Dimensions340 x 457 x 590mm
• Base Station Weight9.2kg
• Robot Vacuum Weight4.1kg
• Obstacle Crossing Height40mm (double-layer step), 22mm (single-layer step)
• NavigationPathfinder™ Smart Navigation
• Main Brush TypeHyperStream™ Detangling DuoBrush
• Obstacle Avoidance3D Structured Light

• Maximum Suction (Pa)19,000Pa
• Side Brush Lifting✓
• Side Brush Extending✓
• Mop Extending✓
• Mop Removal✓
• Mop Lifting✓
• Battery Capacity (mAh)5,200mAh
• Dust Box Capacity310ml
• Voice ControlThird-Party
• Clean/Used Water Tank Capacity4.5L/4.0L
• Auto Mop Cleaning with Hot Water✓ (75°C)
• Hot Air Drying✓
• Self-Cleaning Washboard✓ (AceClean™ DryBoard)
• Auto Solution Adding✓
• Auto Tank Water Refilling✓
• Auto-Empty✓