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- RCW 2 Extra vs RCW 4
Kärcher RCW 2 Extra vs Kärcher RCW 4
What RCW 2 Extra does better (0) and where RCW 4 wins (1) — every spec side by side.
vs
6.5Cleaning power6.5
4.2Mopping8.8
6.6Battery6.6
Why is RCW 2 Extra better than RCW 4?
RCW 2 Extra has no measurable advantages in this pair.
Why is RCW 4 better than RCW 2 Extra?
- Water tank (robot)70 ml vs 150 ml2.1×
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 5,000 Pa | 5,000 Pa |
| Noise level | 62 dB | 62 dB |
| Mopping | ||
| Water tank (robot) | 70 ml | 150 ml |
| Size & weight | ||
| Width / diameter | 295 mm | 264 mm |
| Length | 160 mm | 256 mm |
| Weight | 1.1 kg | 1.5 kg |
| Colours | White, Yellow | White, Black, Yellow |
| App & smart home | ||
| Remote control | Yes | Yes |
| Window cleaning | ||
| Water spray | Yes | Yes |
| Backup battery (power cut) | Yes | Yes |
| Safety rope | Yes | Yes |
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