
- Good suction and wiping performance
- Extendable and liftable side brush
- Liftable main brush
- good navigation
- Strong object recognition
- quite high
The Dreame L40 Ultra AE is an advanced robotic vacuum cleaner designed for thorough and efficient cleaning. With a powerful 5200 mAh battery, it offers an impressive runtime of up to 180 minutes, making it ideal for larger living spaces. The robot is equipped with an innovative Laser Distance Sensor (LDS) that enables precise navigation and reliably detects obstacles. The self-emptying dustbin, with a total dust capacity of 4.5 liters, ensures that the robot needs to be emptied less frequently, making the cleaning process even more convenient. Additionally, the L40 Ultra AE supports both mopping and integration with voice assistants like Amazon Alexa and Google Assistant, which simplifies the operation and control of the device.
Wiping system | Wiping pads (rotating) |
Max. Suction power | 19000 Pa |
Area coverage per battery charge | 168 m² |
Max. noise level | 74 dB |
Base station functions | Automatic dust emptying, Automatic water refill, Automatic wiping system cleaning, Automatic wiping system drying, Charging |
Robot vacuum cleaner height | 9.70 cm |
Item number | 59791786 |
Manufacturer | Dreame |
Category | Robot vacuum cleaners |
Manufacturer No. | RLL77SE-Black |
Release date | 27.6.2025 |
Colour | Black |
Exact colour description | Black |
Robot type | Vacuum mopping robot |
Wiping system | Wiping pads (rotating) |
Max. Suction power | 19000 Pa |
Area coverage per battery charge | 168 m² |
Dust container volume (robot) | 0.40 l |
Max. Height door sill | 2 cm |
Max. noise level | 74 dB |
Base station functions | Automatic dust emptying, Automatic water refill, Automatic wiping system cleaning, Automatic wiping system drying, Charging |
Water supply | Freestanding with water tank |
Dust container volume (base station) | 3.20 l |
Fresh water tank volume | 4.50 l |
Waste water tank volume | 4 l |
Smart home | Compatible |
Smart home ecosystem | Amazon Alexa, Google Assistant |
Communication standard | Amazon Alexa, Google Assistant |
Battery type | Li-ion |
Battery life | 200 min |
Capacity | 5200 mAh |
Battery voltage | 14.40 V |
Charging time | 210 min |
Robot length | 34.90 cm |
Wide robots | 34.90 cm |
Robot vacuum cleaner height | 9.70 cm |
Robot weight | 4 kg |
Base station length | 45.70 cm |
Wide base station | 34 cm |
Suction station height | 59 cm |
Base station weight | 9 kg |
Scope of delivery | Base station, Instruction manual, Quickstart overview |
Country of origin | China |
CO₂ emissions | 138,67 kg |
Climate contribution | EUR 3,47 |
Product Safety |
Length | 44 cm |
Width | 43 cm |
Height | 66 cm |
Weight | 18.35 kg |
How often does a product of this brand in the «Robot vacuum cleaners» category have a defect within the first 24 months?
Source: GalaxusHow many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: GalaxusHow often is a product of this brand in the «Robot vacuum cleaners» category returned?
Source: Galaxus
The L40 Ultra is a top-equipped vacuum-mopping robot with an all-round carefree dock that cleans thoroughly and independently. Dreame is only beaten by the top models from Roborock. In comparison with the in-house competition, the L40 is on a par with the X40 (both test score 1.4): the few limitations in terms of suction power, endurance and object detection are compensated for by the TriCut brush...
With an overall score of 92.76 per cent and a rating of "Excellent", the L40 Ultra from Dreame took first place. The robot hoover with mopping function achieved the highest rating for app functionality, volume and charging time. In terms of suction power, it was tied for first place with the eufy X10 Pro Omni...
