design
Dust container type: Bagless
Product color: White
Shape: Round
Function: Remote control
Function: Remote control for smartphone
Feature: On/Off switch
Feature: Bumper protection
Services
Feature: Wet wiping
Dust capacity (total): 0.43 l
Water tank capacity: 0.31 l
Function: Function programming
Function: Automatic return to base station
Base station functions: Charging
Brush type: Roller brush and side brush
Navigation type: Laser distance sensor (LDS)
Feature: Works with Google Assistant
Feature: Works with Amazon Alexa
Feature: Easy to clean
energy
Battery voltage: 14.4 V
Power consumption (standard operation): 55 W
Feature: Rechargeable
Base station input voltage: 20 V
Base station output voltage: 20 V
Battery/rechargeable battery
Battery/battery capacity: 5200 mAh
Weight and dimensions
Height: 97 mm
Width: 355 mm
Depth: 350 mm
Weight: 4.2 kg
Base station dimensions (W x D x H): 146 x 122 x 98.5 mm
Scope of delivery
Function: Instructions for use
Feature: AC power adapter
Feature: Base station
Technical details
Vacuum: 5 kPa


The text is machine translated.

It is important to know

When choosing a wet-cleaning robot vacuum cleaner like the Xiaomi S40 Pro, it's crucial to consider what tasks you want to automate and what types of floors are prevalent in your home. Some features that seem obvious have important implications for the daily use and maintenance of the device in practice. Also pay attention to how well it solves everyday challenges, such as pet hair, combined use on hard floors and carpets, and the need for additional automation.

• If you have pet hair in your home, check if the brush prevents tangles – this makes maintenance much easier and extends the life of the device.
• On floors with a lot of carpets, it is important that the robot recognizes the carpets and adjusts the suction power accordingly; otherwise, the effectiveness on carpets may be very limited.
• The combination of vacuuming and wet cleaning makes sense especially for homes with predominantly hard floor surfaces; if you have a lot of carpets, the wet cleaning function may not be as effective.
• Automating cleaning with the station makes regular use easier and reduces the need for manual emptying, especially if you vacuum frequently or in the presence of multiple users or animals.
• For larger floor plans and multiple rooms, it is very important that the robot offers advanced map navigation and the ability to continue cleaning after charging; otherwise, there is a risk that it will not clean all the rooms in one cycle.

Source of editorial recommendations: ENAA guides and team experience.

In practice

🟢 Daily automatic cleaning of hard floors

Very suitable – The robot offers a combination of wet and dry cleaning, which is best used in apartments with a lot of hard floor surfaces.

🟢 Pet hair removal

Very convenient – Supports regular automatic vacuuming and reducing the amount of hair on the floor, which relieves pet owners of their daily routine.

🟡 Use on carpeted surfaces

Suitable with limitations – Although it can vacuum carpets, it is not confirmed to automatically increase suction power or lift a wet mop, so effectiveness on thicker carpets and when wet cleaning is turned on may be limited.

🟢 Management and schedules via smartphone

Very convenient – The device supports app management and allows you to set schedules, which increases the user experience and flexibility of use.

🟡 Automation with minimal manual intervention

Suitable with limitations – The robot charges itself at the station, but there is no confirmed system for fully automatic emptying of the bowl or washing the cloth, which means that it still requires a certain level of maintenance with regular use.

Answers to frequently asked questions

Is it suitable for fully automating the cleaning of a larger apartment?

The device supports automatic charging and advanced navigation, but for full automation in a larger apartment, it will be key to allow it to continue cleaning after charging and provide proper maintenance of the container and cloth.

How does it work on pets and hair?

It supports regular picking up of animal hair from the floor, which relieves the burden on owners, but for optimal maintenance, an anti-tangle brush is recommended.

Can it vacuum and wet clean at the same time?

The feature allows for dry and wet cleaning, but it is not confirmed to pick up a wet cloth when used on carpets.

What limits the use on carpets?

On thicker carpets, efficiency may be limited if the robot does not recognize the carpet and does not increase power, or does not lift the mop in wet cleaning mode.

Does it allow you to set up and monitor cleaning via an app?

Yes, management and schedule setting are done via an app on your smartphone, which also allows for remote control.

Description updated: August 2026

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