- Suction
- 10,000 Pa
- Navigation
- dToF LiDAR
- Mopping
- RevoRoll roller mop
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SwitchBot S20
Roller mop robot with AI camera and a full service dock
Researched by Riley Hart · updated Oct 30, 2026
Is the SwitchBot S20 worth it? A good value all in one mopping robot when it is on sale, with a roller mop that testers liked and AI camera obstacle avoidance. It costs $800 as of Oct 31, 2026, and HomeKit News scored it 8/10.
A good value all in one mopping robot when it is on sale, with a roller mop that testers liked and AI camera obstacle avoidance. It is loud, tall and large, and TechRadar saw docking problems, so it suits open homes more than tight ones. Skip it if you need a mop only mode or quiet runs.
Best for: hard floor homes that want roller mopping on a budget. Skip if: you want quiet cleaning or have low furniture.
Specs
- Suction
- 10,000 Pa with four levels (SwitchBot, Expert Reviews)
- Navigation
- dToF LiDAR plus AI camera (SwitchBot); Expert Reviews found mapping fast, while TechRadar saw some erratic routes and frequent failed docking
- Obstacle avoidance
- AI camera, front infrared and side PSD sensors (SwitchBot); TechRadar saw it avoid a cable and a shoe but push a tissue box across the room
- Mopping
- RevoRoll roller mop with 1 kg of pressure, 300 scrubs per minute and a 4 step rinse while mopping (SwitchBot); no mop only mode (Expert Reviews, HomeKit News)
- Self empty
- Yes, the station stores dust for up to 90 days (SwitchBot); TechRadar lists a 4 L dock bin
- Dock features
- Auto empty, auto water refill, mop washing and 50 C hot air drying (SwitchBot); 2.5 L clean and 2.5 L dirty tanks (TechRadar, Expert Reviews), while SwitchBot's launch notice listed 2.7 L clean; an Auto-Fill and Drain version connects to home plumbing
- Runtime
- Not stated by SwitchBot; 4,000 mAh battery and under 4 hours to charge (SwitchBot)
- Height
- 115 mm (4.5 in) tall, 365 mm (14.4 in) wide (SwitchBot, TechRadar)
3 year cost of ownership
- Robot
- $800
- Total
- $1,100
Dust bags and cleaning solution are the main running costs. SwitchBot sells S Series dust bags for $26.99 but did not state the pack size or interval on the page we read.
Status and safety
- US availability
- ● On sale
- Recalls
- ● No SwitchBot robot recall in the CPSC database as of Oct 31, 2026. Checked daily.
- FCC authorized
- Not checked
- Company
- ● Active
- Warranty
- ● 1 year (SwitchBot store)
Parts and refills for the S20
- SwitchBot S Series cleaning solution
$32.99 per unit on SwitchBot's store; no usage rate stated (source: SwitchBot store) - Shop on Amazon →
Check the part number matches your model before you order. Affiliate links.
Price history
Tracked dailyTracking started Oct 31, 2026 at $800.
Each day adds a point. Turn on a price alert to hear about drops.
Where to buy
- Amazon
- See price →
- SwitchBot store
- $800 →
- SwitchBot US store (special offer listing)
- $480 →
Affiliate links. We may earn a commission. It never changes our score. Disclosure
Pros
- Roller mop cleans itself while it mops
- Good AI obstacle avoidance
- Full dock with hot air drying
- Matter 1.4 with room support in Apple Home
- Often discounted well below list price
Cons
- Loud, especially when auto emptying
- Docking problems in TechRadar testing
- No mop only mode
- Large robot and dock
- Cleaning solution added by hand
What independent reviewers found
- Effective roller mop and strong obstacle avoidance, but louder than average in every mode, regular docking failures and some erratic navigation. Subscores: Value 3.5/5, Design 4/5, Performance 3/5, App 3.5/5.
- TechRadar
- Picked up 50 of 50 g rice and 5 of 5 g pet hair on hard floor, 29.4 of 50 g flour on carpet, and removed dried mud in two passes and ketchup in three. Measured 65 dBA at 1 m.
- Expert Reviews
- Solid obstacle avoidance that was sometimes overcautious; Matter 1.4 rooms work in Apple Home, but there is no mop only option and cleaning fluid must be added by hand.
- HomeKit News · 8/10
Spec history
Checked dailyNo spec changes since we started tracking on Oct 31, 2026.
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Questions buyers ask
Can it connect to my plumbing?
Yes, if you buy the S20 with Auto-Fill and Drain System, which includes a water supply and drainage kit. The standard S20 uses clean and dirty water tanks.
Does it work with Apple Home?
Yes. It supports Matter 1.4, and HomeKit News found that rooms from the SwitchBot app show up in Apple Home. You still need the SwitchBot app for setup and maps.
Can it mop without vacuuming?
No. Expert Reviews and HomeKit News both note there is no mop only mode.
How often do I empty the dock?
SwitchBot says the station stores dust for up to 90 days.
Guides and rankings with the SwitchBot S20
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