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- Electrolux AR71UW2DG vs RE4
AEG Electrolux AR71UW2DG vs EZVIZ RE4
What Electrolux AR71UW2DG does better (1) and where RE4 wins (6) — every spec side by side.
vs
2.6Cleaning power3.7
5.8Navigation5.8
5.3Base station3.5
4.5Battery6.1
Why is Electrolux AR71UW2DG better than RE4?
- Base stationAuto-empty dock vs Charging dock
Why is RE4 better than Electrolux AR71UW2DG?
- Battery capacity3,200 mAh vs 4,900 mAh+53%
- Runtime175 min vs 180 min+3%
- Cleaning area per charge140 m² vs 300 m²2.1×
- Dustbin (robot)280 ml vs 350 ml+25%
- Charging time360 min vs 300 min+20%
- Water tank (robot)280 ml vs 300 ml+7%
Specifications
Side by side
| Suction & cleaning | ||
| Suction power | 4,000 Pa | 4,000 Pa |
| Dustbin (robot) | 280 ml | 350 ml |
| Main brush | Single main brush | Single main brush |
| Side brushes | 1 | 1 |
| Carpet detection | — | Yes |
| HEPA filter | — | Yes |
| Navigation & obstacles | ||
| Navigation | Laser (LiDAR) | Laser (LiDAR) |
| Navigation sensors | LiDAR laser (LDS) | LiDAR laser (LDS), Wall sensor, Cliff sensors |
| Obstacle avoidance | Basic sensors (infrared / bumper) | Basic sensors (infrared / bumper) |
| Threshold climbing | 20 mm | 20 mm |
| No-go zones / virtual walls | Yes | Yes |
| Room mapping & room selection | Yes | Yes |
| Mopping | ||
| Mop type | — | Mop pad |
| Water tank (robot) | 280 ml | 300 ml |
| Base station | ||
| Base station | Auto-empty dock | Charging dock |
| Auto-empty dust station | Yes | — |
| Dust bag (dock) | 2.4 l | — |
| Battery & runtime | ||
| Battery capacity | 3,200 mAh | 4,900 mAh |
| Runtime | 175 min | 180 min |
| Charging time | 360 min | 300 min |
| Cleaning area per charge | 140 m² | 300 m² |
| Size & weight | ||
| Width / diameter | — | 345 mm |
| Length | — | 345 mm |
| Height | — | 95 mm |
| Weight | — | 3.1 kg |
| Shape | — | Round |
| Colours | Black | White |
| App & smart home | ||
| App control | Yes | Yes |
| Voice assistants | — | Amazon Alexa, Google Assistant |
