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Appliances / Robot vacuums

Roborock Saros 20 Sonic
Suction
36,000Pa
Mop type
Vibrating pad
Base station
Auto-empty and mop washing
Height
79.8mm

75 of 89 fields known.

At a glance

All specs

SourceCalculated

General

Predecessor
Not available
Successor
Not available
Markets
US, DE1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026US store lists the robot. The German store also sells it

Suction and brushes

Max suction (claimed)
36,000Pa1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026Key features: 36000 Pa HyperForce Motor. The CES release said 35,000 Pa and the product pages give 36,000 Pa
Suction power (claimed)
Not available
Main brushes
18Measurementcompare.vacuumwars.com/compare/robot-vacuums/roborock_saros_20_sonicRead 14 October 2026Brush roll: DuoDivide. One roll split into two halves counts as one
Main brush material
Not available
Main brush (as published)
DuoDivide Main Brush1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026Dual Anti-Tangle System: DuoDivide and FlexiArm brushes
Side brush lift
Not available
Filter
Not available

Navigation and obstacles

Navigation
Retractable lidar1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026FAQ: the robot retains RetractSense retractable LiDAR navigation2Maker product pageglobal.roborock.com/pages/roborock-saros-20-sonicRead 14 October 2026A retractable LDS gives a minimum clearance of 7.95 cm and stays elevated for 360 degree scanning in open spaces
Navigation system (as published)
RetractSense Navigation System2Maker product pageglobal.roborock.com/pages/roborock-saros-20-sonicRead 14 October 2026Maker names the RetractSense Navigation System with a retractable LDS
Obstacle sensors (as published)
Reactive AI 3.0 with triple structured light, RGB camera and VertiBeam lateral structured light1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026FAQ: Reactive AI 3.0 integrates tri-laser structured light, an RGB camera and a VertiBeam side laser
AI object recognition
Yes1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026Reactive AI 3.0 obstacle recognition with an RGB camera
Max threshold (claimed)
45mm1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026FAQ: single thresholds such as door sills up to 4.5 cm

Mopping

Mop type
Vibrating pad2Maker product pageglobal.roborock.com/pages/roborock-saros-20-sonicRead 14 October 2026VibraRise 5.0 Mopping System: a single extendable vibrating mop with 4000 vibrations per minute
Mop lift height
20mm8Measurementcompare.vacuumwars.com/compare/robot-vacuums/roborock_saros_20_sonicRead 14 October 2026Mopping table: raises mop pads on carpet, mop raising height 20 mm. Roborock publishes no millimeter figure that was found
Mop downforce (claimed)
14N1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026FAQ: downward pressure of 14 N
Mop speed (claimed)
Not available
Robot water tank
70mL3Maker product pagede.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026Compare table: water tank 70 ml
Water flow levels
Not available

Base station

Base station
Auto-empty and mop washing1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026Page: the dock empties the robot into a disposable dust bag, washes the mop with hot water and dries it
Base station water supply
Water tanks2Maker product pageglobal.roborock.com/pages/roborock-saros-20-sonicRead 14 October 2026Saros 20 Sonic has clean and dirty water tanks. A second option, Saros 20 Sonic with Refill and Drainage System, plumbs in a water inlet and drain. It differs by region and country
Base station dust capacity
Not available
Days between bag changes (claimed)
65days2Maker product pageglobal.roborock.com/pages/roborock-saros-20-sonicRead 14 October 2026Auto Dust Emptying allows up to 65 days without manual emptying. The footnote text is empty. Depends on use
Mop wash water temperature (claimed)
100°C1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026Page: 212 F hot water deep cleans mop pads. FAQ: up to 100 C. The global page footnote says water at the clean water dispensers of the dock can reach 100 C. Maker internal test2Maker product pageglobal.roborock.com/pages/roborock-saros-20-sonicRead 14 October 2026Footnote 19: water at the clean water dispensers of the dock can be heated up to 100 C at 1 atm and room temperature. Maker internal test

Battery and charging

Battery capacity
6,400mAh1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026FAQ: 6,400 mAh high-performance battery4Owner's manualgl-files.roborock.com/product/center/images/Roborock%20Saros%2020%20Sonic%20FCC%20User%20Manual.44438679.pdfRead 14 October 2026Basic Parameters: 6400 mAh typical
Rated power
65W3Maker product pagede.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026Compare table: rated power 65 W in a cell shared with the Saros 20 column

Noise

Noise (claimed)
ActivitySuction modeNoise (dB(A))
Mopping onlyMop Only55
Vacuuming and moppingBalanced63
Mop washingNot available57
Mop dryingNot available43
Dock emptyingNot available74

Connectivity and app

Wi-Fi bands
2.4 GHz, 5 GHz5Owner's manualgl-files.roborock.com/product/center/images/Roborock%20Saros%2020%20Sonic%20CE%20DE%20User%20Manual.44837319.pdfRead 14 October 2026RF specification table lists 2.4 GHz and 5 GHz. The manual is used
Saved maps
Not available

Measured

Suction at the brush housing (measured)
0.61kPa8Measurementcompare.vacuumwars.com/compare/robot-vacuums/roborock_saros_20_sonicRead 14 October 2026Vacuum Wars manometer test at the brush housing, 0.61 kPa. The page shows no test date
Airflow (measured)
15CFM8Measurementcompare.vacuumwars.com/compare/robot-vacuums/roborock_saros_20_sonicRead 14 October 2026Vacuum Wars anemometer test, 15 CFM
Test obstacles avoided (measured)
199Reviewvacuumwars.com/roborock-saros-20-sonic-reviewRead 14 October 2026Standard and torture evaluations: avoided 19 out of 24 obstacles
Area per charge (measured)
113.81m²8Measurementcompare.vacuumwars.com/compare/robot-vacuums/roborock_saros_20_sonicRead 14 October 2026Square Foot Per Charge 1225, times 0.09290304. Battery efficiency 1.65 minutes per percent on the lowest suction setting without mopping on a fixed floor plan. It is an estimate, not a full-charge run

Dimensions and weight

Front and side, drawn to scale.

Robot depth
353mm1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026See width note
Height with sensor raised
Not available

Certifications

FCC IDs
Not available
Other certifications
TÜV Rheinland Certified Protected Privacy IoT Service, ID 1111252031, UL Verified Security Capabilities Verified Diamond, V6110361Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026Privacy First graphic shows a TUV Rheinland Certified Protected Privacy IoT Service mark with ID 1111252031 and a UL Verified Security Capabilities Verified Diamond mark with ID V611036

In the box

In the box
Robot, Dock Base, User Manual, Power Cord, Dock (Disposable Dust pre-installed)1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026What's in the Box list on the US page

Warranty

Manufacturer warranty (source market)
1year1Maker product pageus.roborock.com/products/roborock-saros-20-sonicRead 14 October 20261-year limited warranty on the US store page. The German store gives 2 years3Maker product pagede.roborock.com/products/roborock-saros-20-sonicRead 14 October 2026German store says all new Roborock devices have a 2-year warranty. The US store gives 1 year. Stored 1 for the US store, like the other Roborock entries

Compare with

Pick a robot vacuum to see both side by side. Differences are marked yellow.

More robot vacuum comparisons

Variants

Each variant lists only what differs from the specs above.

Model numberGTINLaunch price (US)Launch price (EU)MarketsColoursBase station water supplyBase station dimensions
RR-Saros20Sonic5-M10195043008356$1,699.99Not availableUSBlackSame as baseSame as base
RRDE-Saros20Sonic5-M16936905905383Not available€1,549DEBlackSame as baseSame as base
RRDE-Saros20Sonic0-M16936905905352Not available€1,549DEWhiteSame as baseSame as base
Not availableNot availableNot availableNot availableNot availableNot availablePlumbed refill and drainWidth 409, Depth 440, Height 300 mm

Sources

We read 13 sources for this robot vacuum. The numbers match the markers in the sheet.

  1. Read 14 October 2026Backs 39 fields
  2. Read 14 October 2026Backs 25 fields
  3. Read 14 October 2026Backs 12 fields
  4. Read 14 October 2026Backs 9 fields
  5. Read 14 October 2026Backs 3 fields
  6. Read 14 October 2026Backs 1 field
  7. Read 14 October 2026Backs 1 field
  8. Read 14 October 2026Backs 11 fields
  9. Read 14 October 2026Backs 4 fields
  10. Read 14 October 2026Backs 2 fields
  11. Read 14 October 2026Backs 5 fields
  12. Read 14 October 2026Backs 3 fields
  13. Read 14 October 2026Backs 3 fields

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