Xiaomi Robot Vacuum S20+
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Before you buy, compare it with 2 recommended alternatives
No store here sells this model today, so beside it the highest-scored model with the same kind of station that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model Xiaomi Robot Vacuum S20+ Best on 2 facts | Cheapest of the top 10 Roborock Q7 L5 Best on 1 fact | Highest score here Roborock Q7 M5 Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | $129Roborock (brand store) best | $149Roborock (brand store) |
| Score | not in our ranking | best | |
| Rank | – | rank 2 of 6 without a station | rank 1 of 6 without a station |
| Customer rating | – | ★ 4.0 · 16,618 reviews | ★ 4.0 · 5,617 reviews |
| Mopping | |||
| Mop type | spinning pads | flat or vibrating pad | flat or vibrating pad |
| Mop lift on carpet higher is better | 0.3 in (7 mm) best | – | no |
| Automatic mop detach | – | – | no |
| Washes the mop | – | no | no |
| Hot-air drying | – | no | no |
| Station | |||
| Station same on all | charging dock only | charging dock only | charging dock only |
| Dust bag lasts longer is better | – | – | up to 30 days |
| Plumbing hookup | – | no | no |
| Brush and obstacles | |||
| Anti-tangle brush | – | yes | yes |
| Climbs thresholds up to higher is better same on all | 0.8 in (20 mm) | 0.8 in (20 mm) | 0.8 in (20 mm) |
| Climbing system for high thresholds | – | – | no |
| Size, noise and age | |||
| Robot height lower is better | 3.8 in (9.7 cm) best | 3.9 in (9.9 cm) | 3.9 in (9.9 cm) |
| Noise not judged | 65 dB | – | 65 dB |
| On the market since | – | January 2025 | April 2025 |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Xiaomi Robot Vacuum S20+ specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
Dimensionsrobot and dock
From the published dimensions. The robot passes under furniture with 3.9 in of clearance or more.
Suction and brushes 2 facts
- Suction power
Suction in pascal, as the maker measures it. More pascal helps on carpet, but it says little about how well the robot picks grit off a hard floor.
- 6,000 Pa
- Carpet detection
The robot notices when it drives onto a carpet. Most then raise their suction, and a mopping robot lifts its mop or leaves it at the dock.
- detects carpet and boosts suction
Mopping 2 facts
- Mop type
How the mop is built: flat pads, two spinning discs or a roller. Discs press harder on dried-on dirt, a roller rinses itself while it works.
- spinning pads
- Mop lift on carpet
How far the robot lifts the mop when it drives onto a carpet. From about 0.4 in (10 mm) a medium pile stays dry.
- 0.3 in (7 mm)
Navigation and obstacles 2 facts
- Navigation
How the robot maps your home and follows that map. Lidar measures with a laser and works in the dark, a camera looks along and recognizes more.
- LiDAR turret
- Climbs thresholds up to
The highest threshold the robot takes, as the maker states it. Measure your own: the step into a bathroom or onto a balcony is often higher.
- 0.8 in (20 mm)
Robot 4 facts
- Robot height
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 3.8 in (9.7 cm)
- Robot diameter
How wide the robot is. Narrower gets between chair legs more easily, wider usually means a bigger dust bin.
- 13.8 in (35 cm)
- Robot weight
What the robot weighs. It counts most if you carry it up a staircase every day.
- 8.4 lb (3.8 kg)
- Noise
The noise in decibels, in the setting its source names: makers mostly give the standard setting, stores often the highest. 65 dB is like a vacuum at half power, 55 dB like a conversation.
- 65 dB
Battery 2 facts
- Battery capacity
The capacity of the battery. It hints at the runtime, but how much the robot draws counts just as much.
- 5,200 mAh
- Runtime per charge
How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped.
- 170 min
Smart features and warranty 1 fact
- Voice assistants
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Alexa, Google Assistant
Frequently asked questions about the Xiaomi Robot Vacuum S20+
Can the Xiaomi Robot Vacuum S20+ mop?
Yes, with two spinning mop pads.
Does the Xiaomi Robot Vacuum S20+ work with Alexa, Google Home or Siri?
It works with Alexa and Google Assistant.
How high a threshold can the Xiaomi Robot Vacuum S20+ climb?
Thresholds up to 0.8 in (20 mm), the maker says. Measure your own thresholds: the ones to a bathroom or balcony are often higher.
Does the Xiaomi Robot Vacuum S20+ fit under low furniture?
The robot is 3.8 in (9.7 cm) tall, so it fits under furniture with at least 3.9 in of clearance.
How long does the Xiaomi Robot Vacuum S20+ run on one charge?
170 minutes on its quietest setting.
Does the Xiaomi Robot Vacuum S20+ lift its mop on carpet?
Yes, it lifts the mop 0.3 in (7 mm) as soon as it drives onto carpet.