Kärcher RCW 2 or Lubluelu CHYW201: which should you choose?
Comparison of the two window-cleaning robots using our catalogue's scoring criteria, value by value. Scores are relative to all the models we have analysed.
Kärcher RCW 2
Main drawbackSuction pressure sits among the category's lowest advertised levels
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Lubluelu CHYW201
Main drawbackMains power makes cord routing part of every setup
Check price on Amazon → Read the full analysis →Our verdict based on your priority
- Priority: “Water tank capacity”Lubluelu CHYW201 9.5 / 10 vs 8.7
- Priority: “Equipment”Lubluelu CHYW201 8.9 / 10 vs 8.1
By criterion
| Criterion | Kärcher RCW 2 | Lubluelu CHYW201 |
|---|---|---|
| Suction pressure | 8.2 | 8.6 |
| Water tank capacity | 8.7 | 9.5 advantage |
| Equipment | 8.1 | 8.9 advantage |
A gap of less than half a point does not count as an advantage: our scores are relative to the catalogue, and using them to pick a winner would imply a level of precision we cannot offer.
Side-by-side specs
| Specification | Kärcher RCW 2 | Lubluelu CHYW201 |
|---|---|---|
| Suction pressure | 3300 Pa | 6500 Pa |
| Water tank capacity | 70 ml | 160 ml |
| Backup battery holding time | Not provided | 30 min |
| Robot height | 7,1 cm | Not provided |
| Robot weight | 1,1 kg | Not provided |
| Noise level | 62 dB | Not provided |
| Power supply during cleaning | Mains-powered | Mains-powered |
| Manufacturer's intended use | Household | Household |
| Indoor / outdoor cleaning | Outdoor | Outdoor |
| Window compatibility | Framed | Framed |
| Spraying | Automatic | Dual spray |
| Control | Remote control | Remote control |
| Safety features | UPS backup battery | UPS backup battery |
| Cleaning modes | Quick | Quick |
Figures published by manufacturers and retailers, compiled in our reviews. “Not provided” means the figure could not be verified.
Which is right for you?
Kärcher RCW 2
Leads on 0 criterion of 3 compared
- No numerical specification sets it apart in this comparison.
Lubluelu CHYW201
Leads on 2 criteria of 3 compared
- Water tank capacity: 9.5/10 vs 8.7/10 (160 ml vs 70 ml)
- Equipment: 8.9/10 vs 8.1/10
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Comparison based on published specifications and our scores, calculated using the same criteria for every model. Our methodology →
Frequently asked questions
Which is rated higher, Kärcher RCW 2 or Lubluelu CHYW201?
Lubluelu CHYW201 scores 9/10, compared with 8.3/10 for Kärcher RCW 2, using the same scoring criteria.
Which wins on “Water tank capacity”?
Lubluelu CHYW201 wins on “Water tank capacity”: 9.5/10 compared with 8.7/10 for Kärcher RCW 2. Recorded values: 160 ml versus 70 ml.
Which wins on “Equipment”?
Lubluelu CHYW201 wins on “Equipment”: 8.9/10 compared with 8.1/10 for Kärcher RCW 2.