Xiaomi Roborock S5 Max Review Robot Vacuum Cleaner

Review of Xiaomi Roborock S5 Max: Wet Cleaning Has Become Even More Thoughtful 2022. Xiaomi Roborock S5 Max photo

In 2019 in Berlin, Roborock presented a new third generation robot vacuum cleaner – S5 Max, which is an update to the previous S5 model, which also appeared on the market several years ago. The robot vacuum cleaner is equipped with a separate water tank, as well as the function of monitoring and regulating the flow of liquid while wiping the floor surface through a mobile application. The machine is designed for dry and advanced wet cleaning, and is suitable for use on smooth floors with marble, tile, linoleum, wood, laminate flooring, and also on carpets with light pile. An important advantage of the new model is the ability to install exclusion zones when wet wiping the floor and the corresponding protection of carpets from moisture ingress (as is already implemented in the new 360 S7). These and other features, as well as the general characteristics of the Xiaomi Roborock S5 Max robot vacuum cleaner, will be presented in our today’s review.

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Xiaomi Roborock S5 Max package contains the following components:

  1. Robot vacuum cleaner.
  2. Charging base.
  3. Power adapter.
  4. Floor nozzle with cloth attached.
  5. User manual.

Dust collector, separate water tank, battery and brushes are installed immediately.

As you can see from the overview of the complete set of the robot, the accessories, like all the latest models of the manufacturer, do not include a remote control and a motion limiter. However, these components are completely unnecessary, since the mobile application provides extensive control and settings for cleaning parameters.


The design of the robot vacuum cleaner is almost identical to the S6 model . The only difference is that instead of three buttons, there are now two on the case. The body is made of black plastic, the surface is matte. This decision had a beneficial effect on the product’s brand, now it does not show fingerprints and smudges.

In the front of the Xiaomi Roborock S5 Max, there is traditionally a movable bumper with distance sensors to prevent the robot from colliding with obstacles and protect it from damage.

View from above

View from above

When looking at this robot vacuum from the back, we see one side silicone brush, the main bristly petal brush, drive wheels, swivel roller, battery compartment and area for securing the squeegee. The main brush has been slightly modified and received a collapsible design (the side elements can now be removed for cleaning from wool and hair).

Bottom view

Bottom view


The following is a description of the technical characteristics of the Xiaomi Roborock S5 Max robot:

Cleaning type Dry and wet
Source of power Li-Ion battery 5200 mAh
Working hours Up to 180 minutes
Charging time 300 minutes
Cleaning area Up to 250 m 2
Power consumption 58 watts
Suction power 2000 Pa
Obstacle height Up to 20 mm
Dust collector type Cyclonic filter (bagless)
Dust container capacity 460 ml
Water tank capacity 280 ml
dimensions 353x350x96.5 mm
Weight 3.6KG
Noise level 60 dBA


The robot carries out dry cleaning of the floor using a silicone side brush and a central brush with a collapsible design, which we already wrote about a little earlier. Through the suction channel, the collected debris falls into the dust collector, the capacity of which is also increased compared to the previous model. The dust container is equipped with an E11 class HEPA filter, which can be washed under water, but must be dried before reuse.

The operating modes in the Xiaomi Roborock S5 Max are as follows:

  • quiet;
  • balanced;
  • turbo;
  • maximum.

Selecting one of these modes changes the suction power and noise level of the robot cleaner. In quiet mode, the noise level will not exceed 40 dB, but the suction power will be minimal (about 1200 Pa).

As for wet cleaning, a separate water tank is provided with the Xiaomi S5 Max robot vacuum cleaner with electronic regulation of the water supply to the cloth, control of the volume of liquid and blocking the flow of liquid when stopped.

Robot design

Robot design

Installing a napkin

Installing a napkin

The new robotic vacuum cleaner is much better adapted for wet cleaning the floor: the water tank has become more voluminous, the “No-mop zone” function has appeared, which will allow restricting the Xiaomi Roborock S5 Max from entering selected places (for example, on carpets). As soon as the nozzle with a napkin is removed, the restricted areas will disappear automatically.

Restricting cleaning zones

Restricting cleaning zones

The robot has an updated navigation and mapping system based on the coordinated work of LDS + SLAM. The unit now performs adaptive route planning 15% more efficiently and retracts 20% faster and more thoroughly than its predecessors. In addition, Xiaomi Roborock S5 Max is equipped with fourteen types of sensors, including four break sensors. In addition to preventing breakdowns and damage to the case, as well as the fall of the device from a height, the sensors allow you to receive information about the degree of clogging of the filter, the installation of the water tank and display notifications about a malfunction of one of the elements.

In addition to all of the above, the robot can be controlled through voice assistants, as well as set up for room-by-room cleaning (you can choose a separate room where the robot must clean). It is noteworthy that up to three cleaning plans can now be stored in memory.

Advantages and disadvantages

By tradition, we conclude the review with a list of the main advantages and disadvantages of the Xiaomi Roborock S5 Max robot vacuum cleaner.


  1. Powerful rechargeable battery.
  2. Several suction modes.
  3. Dismountable design of the main brush.
  4. Advanced wet cleaning.
  5. Room cleaning.
  6. Improved navigation and cartography.
  7. New handy application.
  8. Working with voice assistants.

One side brush can be attributed to the only controversial point of the robot vacuum cleaner, but this feature is present in all Xiaomi models, and not only. Therefore, it is not very correct to say that this is a clear drawback. Rather, this is our personal observation – the two side brushes clean a little better.

In general, the model is quite interesting, clearly better than the S5 and slightly surpasses the updated Viomi V2 Pro. The updated S5 Max has already appeared on Aliexpress, and we expect it to arrive in EU/US soon for more detailed tests.

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