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- Robot Vacuum S40
XiaomiRobot vacuum and mop
Xiaomi Robot Vacuum S40
Xiaomi Robot Vacuum S40 is a robot vacuum and mop released in September 2025. Key specs: suction power 10,000 Pa, navigation Laser (LiDAR), obstacle avoidance Basic sensors (infrared / bumper), mop type Mop pad.
6.5Score
Cleaning power7.5
Navigation5.8
Mopping4.2
Battery6.2
price rangeUS$140–175Reference price converted from EUR
- Released
- September 2025
- Brand
Xiaomi- Popularity
- #206 of 760
- Series
- Xiaomi Robot Vacuum S · 4 generations
10,000 PaSuction power
Laser (LiDAR)Navigation
Basic sensors (infrared / bum…Obstacle avoidance
Mop padMop type
Charging dockBase station
180 minRuntime
5,200 mAhBattery capacity
98 mmHeight
20 mmThreshold climbing
63 dBNoise level
Spec guide
How it ranks among robot vacuum and mop combos of 2025
Suction power · 10,000 PaTop 46%
Runtime · 180 minTop 35%
Battery capacity · 5,200 mAhTop 40%
Height · 98 mmBottom 43%
Threshold climbing · 20 mmBottom 46%
Noise level · 63 dBTop 30%
Compared with robot vacuum and mop combos released in 2025. Bars show the share of models it beats.
compared with other robot vacuum and mop combos
Why is Robot Vacuum S40 a good choice?
Dustbin (robot): 520 mlbetter than 89% of robot vacuum and mop combos
Weak points
Threshold climbing: 20 mmworse than 79% of robot vacuum and mop combos
In rankings
Specifications
Full specifications
Suction & cleaning
- Suction power
- 10,000 Pa
- Dustbin (robot)
- 520 ml
- Main brush
- Single main brush
- Anti-tangle brush
- Yes
- Side brushes
- 1
- Noise level
- 63 dB
Navigation & obstacles
- Navigation sensors
- LiDAR laser (LDS), Cliff sensors
- Threshold climbing
- 20 mm
- No-go zones / virtual walls
- Yes
- Room mapping & room selection
- Yes
Battery & runtime
- Battery capacity
- 5,200 mAh
- Runtime
- 180 min
- Charging time
- 360 min
Size & weight
- Width / diameter
- 340 mm
- Length
- 340 mm
- Height
- 98 mm
- Weight
- 4.1 kg
- Shape
- Round
- Colours
- White
Specs are collected from manufacturers and open databases and normalised to one format; check details with the seller before you buy.
Compare
Compare Robot Vacuum S40 with
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Xiaomi Robot Vacuum S40vsRoborock Q10 VF
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Xiaomi Robot Vacuum S40vsXiaomi Robot Vacuum S20
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Xiaomi Robot Vacuum S40vsVexilar T8
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Xiaomi Robot Vacuum S40vsXiaomi Robot Vacuum S10
In collections
Robot vacuums — Obstacle avoidance: Basic sensors (infrared / bumper) + anti-tangle brush97Robot vacuums — Obstacle avoidance: Basic sensors (infrared / bumper) + battery capacity from 5,000 mah110Robot vacuums: Runtime from 180 min + anti-tangle brush118Robot vacuums — Suction power from 8,000 Pa + Obstacle avoidance: Basic sensors (infrared / bumper)120Robot vacuums — Mop type: Mop pad + Base station: Charging dock123Robot vacuums — Obstacle avoidance: Basic sensors (infrared / bumper) + runtime from 180 min137Robot vacuums — Base station: Charging dock + Voice assistants: Google Assistant139Robot vacuums — Base station: Charging dock + Voice assistants: Amazon Alexa141
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