Robot Vacuum and Mop with Self-Cleaning Base Station
Dreame L40 Ultra AE Review

19,000Pa suction | 3D structured light + camera | 75°C mop wash | TriCut brush | Up to 180 min

Overview

The Dreame L40 Ultra AE is a robot vacuum and mop with 19,000Pa Vormax suction, a liftable rubber main brush and a TriCut brush with a built-in hair-cutting blade. It avoids obstacles such as shoes and toys using AI action and 3D structured light, with a camera for obstacle detection and an LED light for dark areas. Its liftable mop pads rise automatically to 10.5 mm, it has Flexible MopExtend Technology, and ultrasonic carpet recognition lets it clean or avoid carpets.

The base station empties the robot into a 3.2L dust bag for up to 100 days, washes the mops with 75°C hot water, dries them with hot air, cleans its own washboard, refills the robot’s clean water tank and adds mopping solution automatically; an optional Water Hookup Kit adds automatic refilling and draining. The 5,200mAh battery gives up to 180 minutes of cleaning, or up to 168 m² on one charge. It works with Alexa, Siri and Google Home, can be started and paused from an Apple Watch, and has Pet-Finding, Large Particles and Dynamic Spot-Cleaning modes.

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Key Features

✓19,000Pa Vormax suction
✓Liftable rubber main brush and a TriCut brush with a hair-cutting blade
✓AI action and 3D structured light obstacle avoidance; camera and LED light
✓Liftable mop pads (10.5 mm) with Flexible MopExtend Technology
✓Ultrasonic carpet recognition: cleans or avoids carpets
✓Base station: auto-empty (3.2L bag, up to 100 days), 75°C wash, hot-air drying, refill and solution
✓5,200mAh battery, up to 180 min (up to 168 m² a charge)
✓Pet-Finding, Large Particles and Dynamic Spot-Cleaning modes; CleanGenius
✓Alexa, Siri and Google Home; Apple Watch start and pause; remote video

Pros & Cons

Pros

+ 75°C hot-water mop wash
+ Up to 180 minutes of cleaning
+ TriCut brush with a built-in hair-cutting blade
+ Camera and LED light for obstacle detection in dark areas

Cons

− Plumbed-in refill and drain needs the separate water hookup kit
− Dreame UK doesn’t give a climbing height
− Dreame UK doesn’t list Matter support

Setup & Installation

Dreame’s UK page for the L40 Ultra AE doesn’t give the base station’s clearances or setup steps, so follow the instructions that come with it when you place the station.

You set the robot up and control it in the Dreamehome app. The base station refills the robot’s clean water tank and adds mopping solution itself, and Dreame includes 200 ml of cleaning solution; the optional Water Hookup Kit adds automatic refilling and draining.

Common Problems & Fixes

Running into issues? Our Dreame troubleshooting guide covers step-by-step fixes taken from Dreame’s own manuals and help centre, including won’t connect to Wi-Fi, auto-empty not working, mop washing problems.

Who Should Buy It

Anyone who wants a TriCut hair-cutting brush, a 75°C hot-water mop wash and up to 180 minutes of cleaning.

Verdict

The L40 Ultra AE has 19,000Pa suction, a 75°C mop wash, a TriCut brush and up to 180 minutes of cleaning. The L50 Ultra AE has 28,000Pa suction, a 100°C wash and Matter support.

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