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  3. Winbot W2S Pro vs PR-040

Ecovacs Winbot W2S Pro vs Sichler PR-040

What Winbot W2S Pro does better (0) and where PR-040 wins (0) — every spec side by side.

Ecovacs Winbot W2S Pro
Ecovacs · 2026Winbot W2S Pro
8.6Score
0 advantages≈ US$480
Higher score
vs
Sichler PR-040
Sichler · 2025PR-040
0 advantages≈ US$230
3.6Battery6.6

Why is Winbot W2S Pro better than PR-040?

Winbot W2S Pro has no measurable advantages in this pair.

Why is PR-040 better than Winbot W2S Pro?

PR-040 has no measurable advantages in this pair.

Specifications

Side by side

Sichler PR-040Sichler PR-040≈ US$230
Suction & cleaning
Suction power10,000 Pa—
Noise level66 dB65 dB
Navigation & obstacles
Navigation sensorsCliff sensorsLiDAR laser (LDS), Cliff sensors
Mopping
Water tank (robot)120 ml—
Battery & runtime
Runtime110 min—
Charging time180 min—
Size & weight
Width / diameter272 mm250 mm
Length272 mm250 mm
Weight2.1 kg1.4 kg
ShapeSquare—
ColoursWhiteWhite
App & smart home
App controlYesYes
Remote control—Yes
Window cleaning
Water sprayYes—
Backup battery (power cut)YesYes
Safety ropeYesYes
Window area per session75 m²—
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