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- A1 vs RCW 4 Extra
Hutt A1 vs Kärcher RCW 4 Extra
What A1 does better (1) and where RCW 4 Extra wins (0) — every spec side by side.
vs
8.3Cleaning power5.5
8.8Mopping8.8
9.4Battery6.6
Why is A1 better than RCW 4 Extra?
- Suction power6,000 Pa vs 5,000 Pa+20%
Why is RCW 4 Extra better than A1?
RCW 4 Extra has no measurable advantages in this pair.
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 6,000 Pa | 5,000 Pa |
| Noise level | — | 77 dB |
| Navigation & obstacles | ||
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | — |
| Mopping | ||
| Water tank (robot) | 150 ml | 150 ml |
| Size & weight | ||
| Width / diameter | — | 264 mm |
| Length | — | 256 mm |
| Weight | — | 1.5 kg |
| Colours | White | 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 |
| Window area per session | 90 m² | — |
