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- E20 vs RS 770 ws
eufy E20 vs Fakir RS 770 ws
What E20 does better (1) and where RS 770 ws wins (2) — every spec side by side.
Why is E20 better than RS 770 ws?
- Charging time150 min vs 300 min2×
Why is RS 770 ws better than E20?
- Dustbin (robot)365 ml vs 450 ml+23%
- Noise level75 dB vs 68 dB+10%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 8,000 Pa | — |
| Dustbin (robot) | 365 ml | 450 ml |
| Main brush | Single main brush | — |
| Anti-tangle brush | Yes | — |
| Side brushes | 1 | — |
| Noise level | 75 dB | 68 dB |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS), Cliff sensors | LiDAR laser (LDS), Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | — |
| No-go zones / virtual walls | Yes | — |
| Room mapping & room selection | Yes | Yes |
| Base station | ||
| Base station | Auto-empty dock | — |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 3 l | — |
| Battery & runtime | ||
| Battery capacity | 4,200 mAh | — |
| Runtime | 180 min | — |
| Charging time | 150 min | 300 min |
| Cleaning area per charge | 140 m² | — |
| Size & weight | ||
| Width / diameter | 350 mm | — |
| Length | 350 mm | — |
| Height | 118 mm | — |
| Weight | 2.2 kg | 3.6 kg |
| Shape | Round | Round |
| Colours | Black | Black |
| App & smart home | ||
| App control | Yes | — |
| Voice assistants | Amazon Alexa, Google Assistant, Apple Siri | — |
| Remote control | — | Yes |
