TurboVS
Roborock Saros 20 specifications and in-depth review

Roborock Saros 20

Manufacturer: Roborock

The Roborock Saros 20 is a fully autonomous robot vacuum cleaner that combines high-end floor cleaning with integrated mopping capabilities. Weighing 3900 g and measuring 79.8 mm in height, it is designed to navigate under and around furniture while handling a wide range of floor types. Its self-emptying station allows the dustbin to be automatically cleared, with an estimated empty cycle interval of around 65 days, reducing the need for frequent manual maintenance.

On the technical side, the Saros 20 delivers 35000 Pa of suction power and runs for up to 200 minutes per charge on its 6400 mAh battery, which recharges in approximately 2.5 hours. It supports mapping, no-go zones, virtual barriers, and route mapping, all manageable via smartphone. The mopping system includes water level adjustment, mop raising during carpet detection, and automatic mop drying at the dock. Additional features include a dirt sensor, anti-fall and obstacle sensors, HEPA and allergy filtration with washable filters, and compatibility with both Google Assistant and Alexa over Wi-Fi 4 (802.11n).

Pros
  • 35000 Pa suction handles demanding cleaning tasks across all floor types
  • Up to 200 minutes of runtime per charge allows extended cleaning sessions without interruption
  • Self-emptying station with an estimated 65-day interval between manual dustbin empties reduces routine maintenance
  • Mop system includes automatic raising over carpets, water level adjustment, and drying at the dock for hands-free wet cleaning
  • Comprehensive navigation suite with mapping, route mapping, no-go zones, virtual barriers, obstacle sensing, and anti-fall protection
  • HEPA and allergy filters are both included and washable, supporting cleaner air without frequent filter replacements
Cons
  • At 79.8 mm in height, it may not fit under low-profile furniture
  • No physical remote control is included, requiring reliance on the smartphone app for manual operation
  • The dustbin capacity of 0.26 l is relatively small, even though the self-emptying function compensates during normal use
  • The battery is not removable, making it impossible to swap for a fresh one when capacity degrades over time
  • Wi-Fi 4 (802.11n) is an older wireless standard that may limit connectivity performance on newer network setups
Who is this for?

This robot vacuum is well-suited to households with mixed floor surfaces, including hard floors and carpeted areas, given its ability to clean all floor types and automatically raise the mop when carpet is detected. Users who want minimal day-to-day involvement will benefit from the self-emptying station with an estimated 65-day empty interval, combined with scheduling, auto-docking, and automatic mop drying — all of which reduce the need for regular manual attention. The extensive navigation toolkit, including mapping, no-go zones, and virtual barriers, makes it a practical fit for larger or more complex home layouts where precise cleaning boundaries matter. The inclusion of both HEPA and allergy filters also makes it a reasonable option for households where airborne allergen reduction is a priority.

Who is this NOT for?

Users who need to clean in spaces with very low furniture clearance may find the 79.8 mm height limiting, as it may not fit beneath certain beds or cabinets. The 0.26 l dustbin, while offset by self-emptying, could be a drawback in environments with heavy debris accumulation between dock returns. Those who prefer direct, hands-on control via a physical remote will find this model lacks that option entirely, as operation relies on the smartphone app. Additionally, users with newer Wi-Fi 6 or 6E network infrastructure expecting full compatibility may be constrained by the onboard Wi-Fi 4 (802.11n) support, which represents an older wireless standard.

General info:

has HEPA filter ✓
audible noise 63 dB
has an allergy filter ✓
compatible with Google Assistant ✓
works with Alexa ✓
release date May 2024
weight 3900 g
width 353 mm
height 79.8 mm
thickness 350 mm
volume 9859.29 cm³
warranty period 1 years
estimated empty time 65 days
docking station size 88315.8 cm³

The Roborock Saros 20 weighs 3900 g and measures 353 mm in width, 350 mm in depth, and 79.8 mm in height, giving it a relatively low profile suited to navigating beneath furniture. Both a HEPA filter and an allergy filter are included, helping to capture fine particles during operation, and audible noise during use is rated at 63 dB. The unit is compatible with Google Assistant and Alexa for voice control integration. Its docking station occupies a volume of 88315.8 cm³, while the robot itself displaces 9859.29 cm³. The estimated dustbin empty interval is 65 days, and the product comes with a 1-year warranty.

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 ✓
Wi-Fi version Wi-Fi 4 (802.11n)
has mop cleaning ✓
has mop raising ✓
has mop drying ✓

The Roborock Saros 20 supports full home mapping along with route mapping, no-go zones, and virtual barriers, giving users precise control over where and how the robot cleans. It connects via Wi-Fi 4 (802.11n) and can be managed through a smartphone, with scheduling available for automated cleaning routines and voice prompts provided during operation — though it does not include a dedicated physical remote control. Obstacle and anti-fall sensors help it navigate safely, and an anti-stuck system reduces the likelihood of it getting stranded mid-clean. Carpet detection is on board, and the robot returns to its dock automatically when finished or low on power. On the mopping side, it offers water level adjustment, mop raising over carpets, and automatic mop drying at the station, while the self-emptying function handles dustbin disposal without manual intervention.

Design:

dustbin capacity 0.26 l
Has a display ✓
has twin side brushes ✕
has included washable filters ✓
automatically adjusts its height ✓
Indicates when full ✓
uses bags ✓

The Roborock Saros 20 has a dustbin capacity of 0.26 l and uses bags for dust collection, with an indicator that alerts when the bag is full. Washable filters are included, and the unit features a display for at-a-glance status information. It automatically adjusts its height to adapt to different floor surfaces, though it does not use twin side brushes. Auto height adjustment and the bag-based collection system together reflect a design oriented toward lower-maintenance daily use.

Cleaning power:

suction power 35000 Pa
cleans all floor types ✓
mops ✓
has a dirt sensor ✓
has UV light ✕

The Roborock Saros 20 delivers 35000 Pa of suction power and is capable of cleaning all floor types, making it suitable for mixed-surface homes. It also mops, adding a wet cleaning option alongside vacuuming. A built-in dirt sensor allows the robot to detect heavily soiled areas and respond accordingly, though the unit does not include UV light functionality.

Power:

battery power 6400 mAh
runtime 200 min
charge time 2.5 hours
operating power consumption 65W
has a removable battery ✕

The Roborock Saros 20 is equipped with a 6400 mAh battery that supports up to 200 minutes of runtime per charge, making it capable of covering larger areas before needing to return to the dock. Recharging takes approximately 2.5 hours, and operating power consumption is rated at 65W. The battery is not removable, so replacement or swapping is not an option for end users.

Final Verdict

The Roborock Saros 20 is a fully autonomous robot vacuum that covers a broad range of cleaning demands through a well-rounded combination of high suction, integrated mopping, and a capable navigation system. Its self-emptying station with an estimated 65-day interval, paired with automatic mop drying and a comprehensive set of mapping and zoning tools, makes it particularly fitting for larger homes where low-maintenance, hands-off operation is the priority. Certain hardware constraints — including the Wi-Fi 4 standard, the fixed battery, and the height profile — mean it is not without limitations, but these are unlikely to affect the majority of everyday use cases. For households seeking a single device that can handle both vacuuming and mopping autonomously across mixed floor types with minimal user intervention, the Saros 20 presents a technically mature and well-specified option.