Roborock S4 Max

For multiple rooms

For multiple rooms

With mop

With mop

Climbing height

Climbing height

0.79 in

Cleaning area

Cleaning area

3228.9 ft2

Mapping

Mapping

Suction power

Suction power

2000 Pa

All specifications »

Roborock S4 Max review and test

Expert:
Nathan Smith
Testing methodology:
Date published:
Last modified:
2024-10-08

Review of Roborock S4 Max

Review methodology:
Date published:
Last modified:
14-04-2021

Pros

  • Strong suction power of up to 2000 Pa
  • Great vacuuming ability
  • Supports four suction modes
  • App offers a lot of customization
  • Can save up to four maps
  • Fast mapping and cleaning
  • Supports virtual boundaries, and zone cleaning
  • Seamless transition from different floor types
  • Large dust bin

Cons

  • The laser turret increases the height of the robot vacuum
  • No mop
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Specifications

Battery
Max runtime
180 min
Charge time
240 min
Type of battery
Li-ion
Battery capacity
5200 mAh
Recharge and resume function
Yes
Automatically docks and recharges
Yes
Cleaning
Cleaning area
3228.9 ft2
Sound level
69 dB
Suction power
2000 Pa
Maximum climbing height
0.79 in
Dustbin capacity
0.46 L
Type of filter
EPA 11
Carpet Boost
Yes
Scheduling function
Yes
Shape
Round
Number of side brushes
1
Mopping
Mopping function
No
Navigation
Mapping-Sensor
LiDAR
Object recognition
No
Stair sensor and object sensor
Yes
For multiple rooms
Yes
Control
App control
Yes
Remote control
No
Voice control
Yes
Alexa voice control
Yes
Google Home voice control
Yes
Base station
Automatic dirt disposal
No
App-functions
App control
Yes
Interactive mapping
Yes
Real Time Tracking
Yes
Digital Blocked Area
Yes
Zoned Cleaning
Yes
Multi Floor Maps
Yes
Selected Room Cleaning
Yes
Dimensions and weight
Height
3.78 in
Width
13.78 in
Depth
13.78 in
Weight
7.72 lbs

Specification comparison

Updated October 8, 2024

Who should buy Roborock S4 Max

  • If you are looking for a robot vacuum with an outstanding vacuuming ability, at a reasonable price, the S4 Max is an excellent option for you.
  • If you have a multi-level home, the S4 Max is suitable for you because it can save up to four maps, so you can use it for all the levels in your home.
  • If you have a lot of obstacles or furniture in your home, you might be impressed with the S4 Max because it has a reliable mapping ability, that can navigate well around obstacles, to provide thorough cleaning.
  • If you live in a large house, you might want to consider the S4 Max because it can vacuum the entire floor at an impressive speed, and has a long battery life of 150 minutes; so it won't take a long time to clean, even if you live in a large house.
  • If you are looking for a robot vacuum that can clean well on your different floor types, the S4 Max might be the one you are looking for, because it has strong suction power that can vacuum well from bare floors to carpets.
  • If you have carpets in your home, the S4 Max may be a good fit for you since it can automatically increase its suction when it detects carpets, to provide more thorough cleaning.
  • If you have pets or active kids, you can count on the S4 Max because it has a strong suction power, and airflow that can easily pick up fine to extra large debris.

Who should NOT buy Roborock S4 Max

  • If you are looking for a robot vacuum with a mopping attachment, you might want to consider the Roborock S5 Max or Roborock S6, that both include a mopping function.

Verdict

The Roborock S4 Max's vacuuming ability is so impressive that it beats out its other, more expensive, competitors. This is because most high-end robot vacuums are focused on enhancing their latest features and add-ons, making the product overly expensive. Manufacturers often neglect the fundamental feature of a robot vacuum, which is its vacuuming ability. They appear to be more inclined to provide increased convenience to their buyers.

The S4 Max, on the other hand, has enhanced vacuuming ability while maintaining a reasonable price. It supports several advanced features, but it still lacks some advancements present in the more expensive robot vacuums. The S4 Max may have a similar suction power of 2000 Pa, like in the S5 and S6, but it has a stronger airflow, enabling it to easily pick up fine to extra large debris.

The app offers a lot of options for customization. Within the app, you can adjust the suction mode from quiet, balanced, turbo, and max. It also allows you to set "no-go" zones, and select zone cleaning. You can also arrange a cleaning schedule for a specific room, or for the whole floor level, in addition to utilizing many more options. The app is rich in features that allow you to manipulate the robot vacuum according to your liking.

The S4 Max has a bigger dust bin than the S5 or S6, due to them having a mop that limits the dust bin's space. With a larger dust bin, the S4 Max can accumulate more dirt and clean more areas.

The LiDAR navigation system gives the S4 Max a much faster mapping ability. After its first run, it can already generate an accurate map that allows you to customize it easily. You can personally label the rooms according to what you want, unlike other robot vacuums that already have pre-listed options.

Overall, there aren't many drawbacks to the S4 Max. It actually has outstanding vacuuming ability, and is packed with many features, making it worth the investment.

Roborock S4 Max vs. Roborock S6 caret-up caret-down

Pros

Cheaper

Cons

No mopping option
Smaller dust bin (460ml vs. 480ml)
Doesn’t recharge and resume

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Roborock S4 Max in comparison with similar models

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First look at Roborock S4 Max

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Demonstration of how Roborock S4 Max works

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Comparison caret-up caret-down

caret-up caret-down Product information
Roborock S4 Max Dreametech D10 Plus
Dreametech L10s Ultra
Name Roborock S4 Max Dreametech D10 Plus Dreametech L10s Ultra
Score
89
89
Reviews
★★★★★
★★★★★
(4.4)
4426 reviews
★★★★★
★★★★★
(4.4)
4050 reviews
Price $400 $800
caret-up caret-down Battery
Max runtime 180 min 170 min 210 min
Charge time 240 min 360 min 260 min
Type of battery Li-ion Li-ion Li-ion
Battery capacity 5200 mAh 5200 mAh 5200 mAh
Recharge and resume function
Automatically docks and recharges
caret-up caret-down Cleaning
Cleaning area 3228.9 ft2 2906.01 ft2 2152.6 ft2
Sound level 69 dB 65 dB 59 dB
Suction power 2000 Pa 4000 Pa 5300 Pa
Maximum climbing height 0.79 in 0.79 in 0.79 in
Dustbin capacity 0.46 L 0.4 L 0.35 L
Type of filter EPA 11 HEPA HEPA
Carpet Boost
Scheduling function
Shape Round Round Round
Number of side brushes 1 1 1
Washable filter
caret-up caret-down Mopping
Mopping function
Water tank capacity 0.15 L 0.08 L
Vibrating mop
Rotating mopping pad
Automatic mop lift
caret-up caret-down Navigation
Mapping-Sensor LiDAR LiDAR LiDAR
Object recognition
Stair sensor and object sensor
For multiple rooms
caret-up caret-down Control
App control
Remote control
Voice control
Alexa voice control
Google Home voice control
caret-up caret-down Base station
Automatic dirt disposal
Dustbag capacity 2.5 L 3.0 L
Automatic water tank refilling
Automatic mop washing
Automatic mop drying
Type of mop drying
Automatic addition of cleaning solution
caret-up caret-down App-functions
App control
Interactive mapping
Real Time Tracking
Digital Blocked Area
Zoned Cleaning
No mop zones
Multi Floor Maps
Selected Room Cleaning
caret-up caret-down Dimensions and weight
Height 3.78 in 3.78 in 3.82 in
Width 13.78 in 13.74 in 13.78 in
Depth 13.78 in 13.78 in 13.78 in
Weight 7.72 lbs 8.16 lbs

Reviews caret-up caret-down

Expert reviews

4.7
★★★★★
★★★★★
4.5
★★★★★
★★★★★
Updated October 2, 2024

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