Cost to own
How much space does a self-emptying robot vacuum dock need?
A self-emptying dock lives on your floor all year. This page sets the printed size of each dock beside what it does and how long its bag is meant to last.
This page checks
- Size on the floorPrinted dock size, floor area and height
- The bagCapacity and the maker's time between changes
- What the dock doesEmptying only, or washing and refilling too
Full specifications12 figures on record · 5 differ
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Qrevo S Pro
K11+Dock space
How much room each dock asks for
The Roborock dock measures 13.4 x 19.2 in on the floor and stands 20.4 in tall. The SwitchBot station measures 9.45 x 7.08 in and stands 9.84 in tall. The Roborock dock also washes and dries the mop; the SwitchBot lists emptying only. Makers claim up to 65 days and up to 90 days between bag changes.
13.4 x 19.2 x 20.4 in
Order as printed by the maker. The box also lists a dock base.
Roborock US product page9.45 x 7.08 x 9.84in (W x D x H)
Manual prints 240 x 180 x 250 mm; a hands-on review lists the same as W x D x H.
Maker user manual13.4 x 19.2 in
Width by depth, the first two figures of the printed dock size.
Roborock US product page9.45 x 7.08in (W x D)
Footprint from the manual's 240 x 180 mm. The manual asks for 1.5 m (4.9 ft) in front and 0.5 m (1.6 ft) each side.
Maker user manual20.4in
Last figure of the printed dock size 13.4 x 19.2 x 20.4 in.
Roborock US product page9.84in
Printed as 250 mm (9.84 in.) in the manual's specification table.
Maker user manual2.7 L
A lab spec table lists a 2.7 L disposable bag. A hands-on review found one bag pre-installed. Box count not found.
Independent lab test, Oct 20264 L
Maker prints a 4L antibacterial dust bag. One dust collection bag is listed in the box.
SwitchBot launch release65days
The maker states up to 65 days without manual emptying, based on its internal testing.
Maker US product page90days
Maker says the station holds up to 90 days of dust.
SwitchBot launch releaseEmpties, washes, dries
All-in-one dock with a self-sealing dust bag, 167°F mop wash and 113°F warm-air drying, per maker.
Roborock US product pageEmpties the bin into a bag
Base station is self-emptying into a 4L antibacterial bag. No other dock jobs are listed.
SwitchBot K11+ product page and launch releaseSame on both: the dock empties the robot’s bin into a disposable bag, so you replace a bag instead of emptying a bin.
Your home
How each one fits a home like yours
Set the conditions that describe your home. Each robot answers from its own Fit Check; nothing is scored until you choose.
Fit check
Describe your home
Pick what applies. Each robot answers from its own record.
Everything else
Where they land among 260 robot vacuums
Only the measures on which these two differ. The bar is the whole category; the block is the typical middle half; the tick is the median.
Sources
Where every figure comes from
- Roborock Qrevo S Pro · Roborock US product page; independent lab spec table, Oct 2026
- SwitchBot K11+ · Maker user manual and launch release
The Roborock figures come from its US product page, with the bag size from an independent lab spec table. The SwitchBot figures come from its manual and launch release.
Questions
What readers ask
How big is each dock?
Roborock prints 13.4 x 19.2 x 20.4 in for the Qrevo S Pro dock. SwitchBot’s manual prints 240 x 180 x 250 mm, 9.45 x 7.08 x 9.84 in, and a hands-on review lists it as width x depth x height.
How long does a dock bag last?
Roborock says up to 65 days without manual emptying, from its internal testing. SwitchBot says the station holds up to 90 days of dust. Both are maker claims that depend on how much dust your home makes.
Does the Qrevo S Pro dock do more than empty the bin?
Yes. Roborock lists a self-sealing dust bag, a 167°F mop wash and 113°F warm-air drying. The SwitchBot dock lists emptying only.
Common questions