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  3. RCW 4 Extra vs Probot RX10 Pro

Kärcher RCW 4 Extra vs Welltec Probot RX10 Pro

What RCW 4 Extra does better (2) and where Probot RX10 Pro wins (0) — every spec side by side.

Kärcher RCW 4 Extra
Kärcher · 2026RCW 4 Extra
7.5Score
2 advantages≈ US$240
Higher score
vs
Welltec Probot RX10 Pro
Welltec · 2025Probot RX10 Pro
6.6Score
0 advantages≈ US$180
5.5Cleaning power5.0
8.8Mopping7.8
6.6Battery9.0

Why is RCW 4 Extra better than Probot RX10 Pro?

  1. Suction power5,000 Pa vs 4,000 Pa+25%
  2. Water tank (robot)150 ml vs 120 ml+25%

Why is Probot RX10 Pro better than RCW 4 Extra?

Probot RX10 Pro has no measurable advantages in this pair.

Specifications

Side by side

Suction & cleaning
Suction power5,000 Pa4,000 Pa
Noise level77 dB—
Mopping
Water tank (robot)150 ml120 ml
Size & weight
Width / diameter264 mm144 mm
Length256 mm292 mm
Weight1.5 kg1.2 kg
ColoursWhite, Black, YellowWhite, Blue
App & smart home
App control—Yes
Remote controlYesYes
Window cleaning
Water sprayYesYes
Backup battery (power cut)YesYes
Safety ropeYesYes
Window area per session—60 m²
To compare: 0up to 4 models
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