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LEFANT M520 review: 118 specs compared

Avg. price:~£160Max suction power:2200 PaRuntime:120 minDustbin capacity:600 mLMax threshold height:15 mm

LEFANT M520 Review: Compare 118 technical specifications and user reviews to see how this product ranks in the Robot Vacuums category and whether it is worth buying.

5.6/10

Overall score

Score
5.6/ 10
✕
What it is
An overall evaluation of the robot vacuum's quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best robot vacuums on the market.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 90% of models
Score components

80%

5.6

Technical score

20%

?

User score

â–¼Worse than 90% of robot vacuums
6.8

Value for money

Value for money
6.8/ 10
✕
What it is
An indicator that combines the robot vacuum's overall rating with its cost.
When it matters
When you are looking for a robot vacuum with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 88% of models
Score components

70%

5.6

Overall score

30%

9.7

Price

â–¼Worse than 88%
5.6

Technical score

Technical score
5.6/ 10
✕
What it is
An assessment of robot-vacuum performance across cleaning, navigation, mopping, battery life, filtration, brush design, smart features, and dimensions.
When it matters
When you want to compare robot vacuums based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 85% of models
Score components

30%

5.6

Cleaning

23%

4.7

Navigation

18%

5.6

Mopping

12%

5.0

Battery

10%

8.2

Smart Features

7%

6.8

Design

â–¼Worse than 85%
?

User score

User score
8.0/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the robot vacuum
When it matters
When you want to know how a robot vacuum handles daily tasks and how reliable it remains over time according to user feedback.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 62% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

  • No image
No image
Where to buy
    N/A~ £160
Best rankings
Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of robot vacuum LEFANT M520

Technical score
Technical score
5.6/ 10
✕
What it is
An assessment of robot-vacuum performance across cleaning, navigation, mopping, battery life, filtration, brush design, smart features, and dimensions.
When it matters
When you want to compare robot vacuums based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 85% of models
Score components:

30%

5.6

Cleaning

23%

4.7

Navigation

18%

5.6

Mopping

12%

5.0

Battery

10%

8.2

Smart Features

7%

6.8

Design

5.6
User score
User score
8.0/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the robot vacuum
When it matters
When you want to know how a robot vacuum handles daily tasks and how reliable it remains over time according to user feedback.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 62% of models
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 10
✕
What it is
An indicator based on the number of reviews received by the robot vacuum.
When it matters
When you prefer to purchase a product chosen and reviewed by many other consumers.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 99% of models
Popularity:
LEFANT M520 has a popularity index of 1, lower than that of 70.7% of robot vacuums and equal to that of 29.3% of robot vacuums.
1.0
Value for money
Value for money
6.8/ 10
✕
What it is
An indicator that combines the robot vacuum's overall rating with its cost.
When it matters
When you are looking for a robot vacuum with a good balance between quality and price.
Score distribution
â–¼
<55-66-77-88-99-10
â–¼ Worse than 88% of models
Score components:

70%

5.6

Overall score

30%

9.7

Price

6.8
Max suction power
2,200 Pa
Market range: <1.6k Pa – >12k Pa
This robot vacuum has a maximum suction pressure of 2,200 Pa, which is lower than 74.5% of robot vacuums and equal to 2% of robot vacuums.
N. of suction power levels
3
Market range: <2 – >4
This robot vacuum has 3 suction power levels, which is fewer than 50.5% of robot vacuums offer and the same number as 35.5% of robot vacuums offer.
Motor type
brushless
This robot vacuum uses a brushless motor, a type that is generally more efficient than those used by 2.7% of robot vacuums and also used by 97.3% of robot vacuums.
Power
?
Cleaning modes
4
Market range: <2 – >5
This robot vacuum offers 4 cleaning modes, which is more than 38.2% of robot vacuums offer and the same number as 47.5% of robot vacuums offer.
Show more
Mopping capability
yes
This robot vacuum can mop floors. 78.8% of robot vacuums offer this feature.
Mopping system type
none
This robot vacuum uses none for mopping. This system is less effective than those on 79.8% of robot vacuums and as effective as those on 20.2% of robot vacuums.
Mop pad type
flat
Mop pad material
microfiber
Mop pressure
?
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Primary navigation technology
gyroscope
This robot vacuum uses gyroscope as its primary navigation system, which is less capable than the systems in 73.9% of robot vacuums and matched by 19.2% of robot vacuums.
Mapping capability
no
This robot vacuum does not map the floor, although 74.2% of robot vacuums offer this feature.
Real-time mapping
no
This robot vacuum does not update its map in real time, although 68.7% of robot vacuums offer this feature.
Multiple map storage
no
This robot vacuum does not store multiple maps, although 56.6% of robot vacuums offer this feature.
Map editing
no
This robot vacuum does not support map editing, although 64% of robot vacuums offer this feature.
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App control
yes
This robot vacuum supports app control. 5.5% of robot vacuums support app control.
App name
Lefant
Wi-Fi connectivity
yes
This robot vacuum supports Wi-Fi connectivity. 6.3% of robot vacuums support Wi-Fi connectivity.
Supported Wi-Fi bands
2.4 GHz
Bluetooth connectivity
no
This robot vacuum does not support Bluetooth connectivity. 64.7% of robot vacuums support Bluetooth connectivity.
Show more
Battery capacity
2,600 mAh
Market range: <2.4k mAh – >5.2k mAh
This robot vacuum has a battery capacity of 2,600 mAh, which is lower than 59% of robot vacuums and equal to 26.9% of robot vacuums.
Battery type
Li-ion
Battery voltage
14.4 V
Runtime
120 min
Market range: <90 min – >240 min
This robot vacuum runs for 120 min per charge, which is shorter than 57.6% of robot vacuums and equal to 19.8% of robot vacuums.
Recharge and resume
no
This robot vacuum does not resume cleaning after charging, although 83.3% of robot vacuums offer this feature.
Show more
Shape
round
Height
79 mm
Width
320 mm
Length
320 mm
Weight
2.49 kg
Market range: <2.59 kg – >4.76 kg
This robot vacuum weighs 2.49 kg, making it lighter than 93% of robot vacuums and the same weight as 0.2% of robot vacuums.
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LEFANT M520 vs the average robot vacuum

246810TotalBatteryDesignSmart FeaturesNavigationCleaningMopping
  • Empties its dustbin automatically
    This robot vacuum empties its dustbin automatically, while the average robot vacuum requires manual dustbin emptying.
  • 200 mL larger dustbin
    This robot vacuum has a larger onboard dustbin than the average robot vacuum (600 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    600 mL vs 400 mL
  • 1 more side brushes
    This robot vacuum has more side brushes than the average robot vacuum (2 vs 1). The average robot vacuum has 1 side brushes.
    2 vs 1
  • 30.3% lighter
    This robot vacuum is lighter than the average robot vacuum (2.5 kg vs 3.57 kg). The average robot vacuum weighs 3.57 kg.
    2.49 kg vs 3.57 kg
  • Supports a handheld remote control
    This robot vacuum supports a handheld remote control, while the average robot vacuum does not. 22.1% of robot vacuums support this.
  • Dispenses cleaning solution automatically
    This robot vacuum dispenses cleaning solution automatically, while the average robot vacuum does not. 26.4% of robot vacuums offer this.
  • 1 h shorter charging time
    This robot vacuum takes less time to recharge fully than the average robot vacuum (3.5 h vs 4.5 h). The average robot vacuum takes 4.5 h.
    3.5 h vs 4.5 h
  • 5 dB quieter
    This robot vacuum has a lower reported cleaning noise level than the average robot vacuum (60 dB vs 65 dB). The average robot vacuum has a reported noise level of 65 dB.
    60 dB vs 65 dB
  • 1 h shorter charging time
    This robot vacuum takes less time to recharge fully than the average robot vacuum (3.5 h vs 4.5 h). The average robot vacuum takes 4.5 h.
    3.5 h vs 4.5 h
  • 30.3% lighter
    This robot vacuum is lighter than the average robot vacuum (2.5 kg vs 3.57 kg). The average robot vacuum weighs 3.57 kg.
    2.49 kg vs 3.57 kg
  • 5 dB quieter
    This robot vacuum has a lower reported cleaning noise level than the average robot vacuum (60 dB vs 65 dB). The average robot vacuum has a reported noise level of 65 dB.
    60 dB vs 65 dB
  • Supports a handheld remote control
    This robot vacuum supports a handheld remote control, while the average robot vacuum does not. 22.1% of robot vacuums support this.
  • Empties its dustbin automatically
    This robot vacuum empties its dustbin automatically, while the average robot vacuum requires manual dustbin emptying.
  • 200 mL larger dustbin
    This robot vacuum has a larger onboard dustbin than the average robot vacuum (600 mL vs 400 mL). The average robot vacuum has a dustbin capacity of 400 mL.
    600 mL vs 400 mL
  • 1 more side brushes
    This robot vacuum has more side brushes than the average robot vacuum (2 vs 1). The average robot vacuum has 1 side brushes.
    2 vs 1
  • Dispenses cleaning solution automatically
    This robot vacuum dispenses cleaning solution automatically, while the average robot vacuum does not. 26.4% of robot vacuums offer this.
  • 45 mL more onboard water capacity
    This robot vacuum has a larger onboard water tank than the average robot vacuum (285 mL vs 240 mL). The average robot vacuum's onboard water tank holds 240 mL.
    285 mL vs 240 mL
  • More basic obstacle avoidance
    This robot vacuum uses infrared for obstacle avoidance, while the average robot vacuum uses hybrid.
    infrared vs hybrid
  • More basic navigation
    This robot vacuum uses gyroscope for navigation, while the average robot vacuum uses LiDAR.
    gyroscope vs LiDAR
  • Does not detect carpets automatically
    This robot vacuum does not detect carpets automatically, while the average robot vacuum detects carpets automatically.
  • No no-mop zones
    This robot vacuum does not support no-mop zones, while the average robot vacuum does. 53.1% of robot vacuums support this feature.
  • Does not boost suction automatically on carpets
    This robot vacuum does not boost suction automatically on carpets, while the average robot vacuum boosts suction on carpets automatically.
  • 5 mm lower threshold clearance
    This robot vacuum can only cross lower thresholds than the average robot vacuum (15 mm vs 20 mm). The average robot vacuum can cross thresholds up to 20 mm high.
    15 mm vs 20 mm
  • 1,800 Pa weaker maximum suction
    This robot vacuum has weaker maximum suction than the average robot vacuum (2,200 Pa vs 4,000 Pa). The average robot vacuum has a maximum suction pressure of 4,000 Pa.
    2,200 Pa vs 4,000 Pa
  • Does not have a floating main brush
    This robot vacuum does not have a floating main brush, while the average robot vacuum has a floating main brush.
  • 6.53x less popular
    LEFANT M520 is less popular than the average robot vacuum (1 vs 6.5).
    1 vs 6.53
  • 10.8% worse value for money
    LEFANT M520 has worse value for money than the average robot vacuum (6.85 vs 7.6).
    6.85 vs 7.59
  • Does not resume cleaning after charging
    This robot vacuum does not resume cleaning after charging, while the average robot vacuum resumes cleaning after charging.
  • 30 min shorter runtime
    This robot vacuum runs for less time per charge than the average robot vacuum (120 min vs 150 min). The average robot vacuum runs for 150 min.
    120 min vs 150 min
  • 600 mAh smaller battery capacity
    This robot vacuum has a smaller battery capacity than the average robot vacuum (2,600 mAh vs 3,200 mAh). The average robot vacuum has a battery capacity of 3,200 mAh.
    2,600 mAh vs 3,200 mAh
  • Older model
    This robot vacuum was released in 2019, earlier than the average robot vacuum in 2023. The average release year for robot vacuums is 2023.
    2019 vs 2023
  • No maintenance notifications
    This robot vacuum does not provide maintenance notifications, while the average robot vacuum does. 76.8% of robot vacuums offer these.
  • No Bluetooth
    This robot vacuum does not support Bluetooth connectivity, while the average robot vacuum does. 64.6% of robot vacuums support Bluetooth connectivity.
  • More basic obstacle avoidance
    This robot vacuum uses infrared for obstacle avoidance, while the average robot vacuum uses hybrid.
    infrared vs hybrid
  • More basic navigation
    This robot vacuum uses gyroscope for navigation, while the average robot vacuum uses LiDAR.
    gyroscope vs LiDAR
  • No no-mop zones
    This robot vacuum does not support no-mop zones, while the average robot vacuum does. 53.1% of robot vacuums support this feature.
  • 5 mm lower threshold clearance
    This robot vacuum can only cross lower thresholds than the average robot vacuum (15 mm vs 20 mm). The average robot vacuum can cross thresholds up to 20 mm high.
    15 mm vs 20 mm
  • Does not map the floor
    This robot vacuum does not map the floor, while the average robot vacuum maps the floor.
  • Does not support map editing
    This robot vacuum does not support map editing, while the average robot vacuum lets you edit maps.
  • Does not store multiple maps
    This robot vacuum does not store multiple maps, while the average robot vacuum stores multiple maps.
  • Does not recognize individual rooms
    This robot vacuum does not recognize individual rooms, while the average robot vacuum recognizes individual rooms.
  • Does not update its map in real time
    This robot vacuum does not update its map in real time, while the average robot vacuum updates its map in real time.
  • Does not support virtual boundaries
    This robot vacuum does not support virtual boundaries, while the average robot vacuum supports virtual boundaries.
  • Does not detect carpets automatically
    This robot vacuum does not detect carpets automatically, while the average robot vacuum detects carpets automatically.
  • Does not boost suction automatically on carpets
    This robot vacuum does not boost suction automatically on carpets, while the average robot vacuum boosts suction on carpets automatically.
  • 1,800 Pa weaker maximum suction
    This robot vacuum has weaker maximum suction than the average robot vacuum (2,200 Pa vs 4,000 Pa). The average robot vacuum has a maximum suction pressure of 4,000 Pa.
    2,200 Pa vs 4,000 Pa
  • Does not have a floating main brush
    This robot vacuum does not have a floating main brush, while the average robot vacuum has a floating main brush.
  • 1 fewer suction power levels
    This robot vacuum offers fewer suction power levels than the average robot vacuum (3 vs 4). The average robot vacuum offers 4 suction power levels.
    3 vs 4
  • Does not support zone cleaning
    This robot vacuum does not support zone cleaning, while the average robot vacuum supports zone cleaning.
  • Does not support room-by-room cleaning
    This robot vacuum does not support room-by-room cleaning, while the average robot vacuum supports room-by-room cleaning.
  • Non-washable filter
    This robot vacuum does not have a washable filter, while the average robot vacuum does. 72.5% of robot vacuums have a washable filter.
  • 18 mm narrower main brush
    This robot vacuum has a narrower main brush than the average robot vacuum (160 mm vs 178 mm). The average robot vacuum has a main brush 178 mm wide.
    160 mm vs 178 mm
  • No water flow control
    This robot vacuum does not support water flow control, while the average robot vacuum does. 70% of robot vacuums support water flow control.
  • Less capable mopping system
    This robot vacuum uses none for mopping, while the average robot vacuum uses static pad.
    none vs static pad
  • 3 fewer water flow levels
    This robot vacuum offers fewer water flow levels than the average robot vacuum (0 vs 3). The average number of water flow levels is 3.
    0 vs 3

Video reviews

Hands-on testing, unboxing, and real-world video evaluations

Expert reviews

In-depth analysis and verdict from leading tech publications

M
meilleurs-aspirateurs-robots.fr
15/05/2026
Summary of the review
Lefant Robot Vacuum 2026 — Ultra-Slim Quiet Comparison
(Translated)Show original
M
meilleur-aspirateur-robot.be
15/07/2026
Summary of the review
Lefant M520 Review July 2026 | Improved Navigation
(Translated)Show original

Third-party reviews

What customers like about LEFANT M520

  • Compact, slim design easily fits beneath furniture and beds
  • Good suction collects dust, hair and pet fur on hard floors
  • Quiet operation compared with other models
  • Excellent value for daily cleaning
  • Good battery life easily covers medium-sized apartments

What customers don't like about LEFANT M520

  • App and Wi-Fi can be complex to set up and support only 2.4 GHz networks
  • Mapping can be imprecise and may need time to orient itself
  • Instructions lack clear explanations for some features such as scheduling
  • Not suitable for very long-pile carpets or heavy professional dirt
  • Occasional sensor or charging malfunctions reported after prolonged use

Verdict

The Lefant M520 is a robotic vacuum cleaner designed for hard floors and low-pile carpets, delivering up to 2200Pa of suction power powered by a 14.8V rechargeable lithium-ion battery. It features built-in Wi-Fi connectivity that integrates with a dedicated smartphone app for custom cleaning schedules, and it supports voice commands through Amazon Alexa and Google Assistant. Key advantages include its slim profile that easily glides under furniture, specialised pet hair pick-up performance, a multi-stage filtration system that captures fine dust and allergens, and a respectable runtime of up to 120 minutes with automatic self-charging return capability. However, it lacks advanced LiDAR or dToF mapping technologies, meaning it relies on simpler, non-mapping navigation paths that may occasionally lead to missed spots or repetitive routing, and it lacks an automated self-emptying base station.

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