Dreame L40s Ultra

Name: Dreame L40s Ultra
Brand: Dreame
SKU: 8910

Manufacturer: Dreame

The Dreame L40s Ultra is a versatile robot vacuum cleaner designed to handle a variety of cleaning tasks. It is equipped with a HEPA filter and supports smart home integration with both Google Assistant and Alexa for easy control. With its self-emptying feature and advanced cleaning modes, it provides a hassle-free cleaning experience.

This model includes a robust 5200 mAh battery that allows for up to 160 minutes of runtime. It also features a 19000 Pa suction power and supports mop cleaning with adjustable water levels. Additionally, it has a compact design with an auto-docking feature and can clean all floor types efficiently.

Pros

Supports both Google Assistant and Alexa for easy smart home integration.
Self-emptying feature helps maintain convenience by reducing the need for manual dustbin emptying for up to 100 days.
Can clean all floor types, making it versatile for different surfaces in your home.
Offers 160 minutes of runtime on a single charge, ideal for cleaning large areas without needing frequent recharges.
Includes washable filters, reducing the cost and environmental impact of disposable filters.

Cons

Does not have a display, which may limit user interaction and feedback during operation.
Lacks a dirt sensor, meaning it may not automatically adjust to the level of dirt on the floor.
No removable battery, making it more challenging to replace the battery if needed over time.

Who is this for?

The Dreame L40s Ultra is well-suited for users looking for a reliable, low-maintenance robot vacuum. Its self-emptying feature and long runtime of 160 minutes make it ideal for large homes or users who want minimal interaction with the device. Additionally, its compatibility with Google Assistant and Alexa provides a seamless smart home experience, and its ability to clean all floor types ensures versatility in different environments.

Who is this NOT for?

This model may not be the best choice for users needing advanced cleaning features, as it lacks a dirt sensor and UV light for sanitization. Additionally, the absence of a removable battery may limit its long-term usability, particularly in cases where the battery degrades. Its lack of a display and remote control might also be inconvenient for those who prefer more direct control and feedback during cleaning.

General info:

has HEPA filter	✓
audible noise	63 dB
has an allergy filter	✓
compatible with Google Assistant	✓
works with Alexa	✓
release date	June 2025
weight	4230 g
width	350 mm
height	103.5 mm
thickness	350 mm
volume	12678.75 cm³
warranty period	1 years
estimated empty time	100 days
docking station size	91829.58 cm³

The Dreame L40s Ultra features a range of general specifications designed for convenience and efficiency. It is equipped with a HEPA filter and an allergy filter, ensuring cleaner air during operation. The vacuum is compatible with both Google Assistant and Alexa for seamless smart home integration. Weighing 4230 g and measuring 350 mm in width and thickness, it has a compact design, with an estimated empty time of 100 days. Additionally, it comes with a 1-year warranty and a docking station with a volume of 91829.58 cm³.

Features:

has mapping	✓
supports no-go zones	✓
supports a remote smartphone	✓
has an obstacle sensor	✓
has problem area cleaning	✓
is self-emptying	✓
has carpet detection	✓
doesn't get stuck	✓
supports virtual barriers	✓
has route mapping	✓
Has voice prompts	✓
auto docking	✓
has anti-fall sensor	✓
can be scheduled	✓
has a remote control	✕
has water level adjustment	✓
supports Wi-Fi	✓
has mop cleaning	✓
has mop raising	✓
has mop drying	✓

The Dreame L40s Ultra offers a variety of advanced features for efficient and smart cleaning. It includes mapping and route mapping for systematic coverage, along with support for no-go zones and virtual barriers to keep it from unwanted areas. Additionally, it has an obstacle sensor, anti-stuck functionality, and an anti-fall sensor for safe operation. The vacuum also supports Wi-Fi, can be scheduled, and has mop cleaning with water level adjustment, mop raising, and mop drying features for versatile cleaning capabilities.

Design:

dustbin capacity	0.32 l
Has a display	✕
has twin side brushes	✕
has included washable filters	✓
automatically adjusts its height	✓
Indicates when full	✕
uses bags	✓

The Dreame L40s Ultra has a practical design with a 0.32 l dustbin capacity and utilizes bags for dust collection. It features washable filters for easy maintenance and includes an auto-height adjustment function for improved cleaning efficiency. The vacuum does not have twin side brushes or a display, and it does not indicate when the dustbin is full, but it offers a straightforward design focused on performance.

Cleaning power:

suction power	19000 Pa
cleans all floor types	✓
cleaning modes	4
mops	✓
has a dirt sensor	✕
Has an electrostatic filtration system	✓
has UV light	✕

The Dreame L40s Ultra delivers effective cleaning with its strong 19000 Pa suction power, capable of handling all floor types. It features 4 cleaning modes and can also mop, providing versatile cleaning options. Additionally, it includes an electrostatic filtration system for enhanced dust collection, though it does not have a dirt sensor or UV light for additional sanitization.

Power:

battery power	5200 mAh
runtime	160 min
charge time	4 hours
operating power consumption	38W
Has an overheating indicator	✕
has a removable battery	✕
has auto-off	✓

The Dreame L40s Ultra is powered by a 5200 mAh battery, providing a runtime of up to 160 minutes on a single charge. It takes about 4 hours to fully charge and operates with a power consumption of 38W. The vacuum features an auto-off function to help conserve energy, but it does not have an overheating indicator or a removable battery for easy replacement.

Final Verdict

The Dreame L40s Ultra is a solid robot vacuum cleaner, offering a range of smart features for users seeking an efficient, low-maintenance cleaning solution. Its self-emptying function and impressive 160-minute runtime make it an excellent choice for larger homes, while its compatibility with Google Assistant and Alexa ensures seamless integration into a smart home setup. Although it lacks certain advanced features like a dirt sensor or UV light, it remains a versatile option for those who prioritize convenience and ease of use in daily cleaning.