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- SWRC90 WaterMop vs E4
H.Koenig SWRC90 WaterMop vs Roborock E4
What SWRC90 WaterMop does better (1) and where E4 wins (3) — every spec side by side.
vs
2.6Navigation6.5
3.5Base station3.5
2.1Battery3.0
Why is SWRC90 WaterMop better than E4?
- Charging time300 min vs 360 min+20%
Why is E4 better than SWRC90 WaterMop?
- Obstacle avoidanceBasic sensors (infrared / bumper) vs AI camera
- Runtime90 min vs 120 min+33%
- Dustbin (robot)500 ml vs 640 ml+28%
Specifications
Side by side
| Suction & cleaning | ||
| Dustbin (robot) | 500 ml | 640 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 2 | 1 |
| HEPA filter | Yes | Yes |
| Navigation & obstacles | ||
| Navigation | — | Camera (vSLAM) |
| Navigation sensors | — | vSLAM camera |
| Obstacle avoidance | Basic sensors (infrared / bumper) | AI camera |
| Threshold climbing | — | 20 mm |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | — | Yes |
| Mopping | ||
| Mop type | Mop pad | — |
| Water tank (robot) | 180 ml | 180 ml |
| Base station | ||
| Base station | Charging dock | Charging dock |
| Battery & runtime | ||
| Battery capacity | 2,000 mAh | — |
| Runtime | 90 min | 120 min |
| Charging time | 300 min | 360 min |
| Size & weight | ||
| Width / diameter | 340 mm | — |
| Length | 340 mm | — |
| Height | 88 mm | — |
| Weight | 3.5 kg | 3 kg |
| Shape | Round | — |
| Colours | Black | Black |
| App & smart home | ||
| App control | — | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
| Remote control | Yes | — |
