Head to head
Ecovacs Winbot W2S Pro Omni vs Ecovacs Winbot Mini 2: cordless or corded?
One window robot carries its battery in a base station. The other runs on a cable to the wall. This page sets out what that changes at the window.
This page checks
- Power at the windowBattery base, or a wall outlet
- The cableLength and what it carries
- What you carryThe robot's weight
- Panes and waterPane sizes, tank, evidence
Ecovacs
Where to buy
Independent review finds Winbot W2S Pro Omni cleans windows nearly streak-free
Ecovacs
Where to buy
Ecovacs announces Winbot Mini 2 compact window robot for 299 euros
Full specifications18 figures on record · 9 differ
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Winbot W2S Pro Omni
Winbot Mini 2Cordless or corded
Where the two power designs part
The W2S Pro Omni runs up to 110 minutes a charge with no outlet, from a battery a launch article places in its station. The Mini 2 needs a wall outlet within 15.4 ft (4.7 m) and lists no battery run time. Each has a hands-on review.
110min a charge
Ecovacs says it needs no outlet. A launch article places the 5,200 mAh battery in the station.
Ecovacs US product pageMains cable with a 3,000 mAh backup battery. No battery run time is listed on the page.
Ecovacs US product page18ft (5.5 m)
Combined power and safety cable from the station to the robot. Converted from 5.5 m.
Maker user manual15.4ft (4.7 m)
An 11.5 ft (3.5 m) DC cord plus a 3.9 ft (1.2 m) AC cord, to the wall.
Ecovacs US product pageNot found
Not yet checked for this question.
Not yet checked2.9lb
Printed as 1.3 kg. No separate station is listed.
Ecovacs US product page11.8 × 15.7in
Printed as 11.8 × 15.7 in (30 × 40 cm).
Ecovacs US product page9.8 x 9.8in
Smallest pane (25 x 25 cm). No largest size found.
Ecovacs US product page120mL
Maximum tank capacity is about 120 ml (4.1 fl oz).
Maker user manual50mL
Ecovacs US product pageStreak-free glass, tidy edges, dirty corners
Hands-on test found streak-free glass and about 0.08 in left at straight frames. Corners kept a strip. Measured 58 dBA.
Hands-on review, Sep 2026One hands-on review, May 2026: results good but not perfect, and a cable to manage.
Hands-on review, May 2026The same on both: each is a window-cleaning robot with a cable running to it.
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 27 robot window cleaners
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
- Winbot W2S Pro Omni · Ecovacs US product page and user manual; hands-on review, Sep 2026
- Ecovacs Winbot Mini 2 · Ecovacs US product page (ecovacs.com/us); hands-on review, 14 May 2026 (LB Tech Reviews)
Figures come from each maker's product page and manual. Where only a metric figure was printed it is converted to US units, and the maker's figure is shown in the note.
Questions
What readers ask
Does the Winbot W2S Pro Omni need to be plugged in?
Ecovacs says it needs no outlet and runs up to 110 minutes a charge. A launch article places the 5,200 mAh battery in the station. An 18 ft (5.5 m) cable joins station and robot.
Can the Winbot Mini 2 run without a power cord?
No cord-free run time is listed. It uses a 15.4 ft (4.7 m) mains cable. A 3,000 mAh backup battery holds it on the glass for 30 minutes if power is cut.
Which holds more water?
Ecovacs lists a tank of about 120 mL for the W2S Pro Omni and 50 mL for the Mini 2.
Common questions