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Lefant M3
No lab has tested it yet, so it is not in our ranking.
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- Upkeep all-in-one station
Before you buy, compare it with 2 recommended alternatives
No store here sells this model today, so beside it the highest-scored model with the same kind of station that one does, and the cheapest of the top 10.
Green is the best of these 3, also when they share the lead.
| This model Lefant M3 | Cheapest of the top 10 Roborock Qrevo 2 Pro Best on 5 facts | Highest score here Roborock Saros 20 Flow Best on 6 facts | |
|---|---|---|---|
| Price and ranking | |||
| The lowest price today at a store that ships to you, shipping included. A price with an asterisk comes from a store abroad, and its shipping cost is our own estimate. Lowest price | – | $549Roborock (brand store) best | $1,499Roborock (brand store) |
| Our own score out of 10: 60% lab tests, 25% store ratings and 15% the maker’s facts. Price does not count. Score | not in our ranking | best | |
| The labs that have tested this model, each linked to its own review. Tests | – | Just A Dad Approved | Just A Dad Approved |
| Where the model stands in our ranking, among the robots with the same kind of station. Rank | – | rank 12 of 85 with an all-in-one station | rank 1 of 85 with an all-in-one station |
| The average of the stars buyers give at the stores, with the number of reviews behind it. We only compare it from 20 reviews. Customer rating | – | – | – |
| Mopping | |||
| How the mop is built: flat pads, two spinning discs or a roller. Discs press harder on dried-on dirt, a roller rinses itself while it works. When it matters
Source
| spinning pads | spinning pads | roller mop |
| How far the robot lifts the mop when it drives onto a carpet. From about 0.4 in (10 mm) a medium pile stays dry. In this comparisonWhen it matters
Source
| 0.4 in (9 mm) | 0.6 in (15 mm) best | 0.6 in (15 mm) best |
| The robot leaves the mop at the dock before it vacuums a carpet, so the carpet never gets wet. When it matters
Source
| no (assumed) | yes (best) | no |
| The dock washes the mop for you, so you do not rinse it by hand. When it matters
Source
| yes | yes | yes |
| Drying is done with warm air instead of cold. It is faster and it helps against smell. When it matters
Source
| no (assumed) | yes (best) | yes (best) |
| Station | |||
| The station the robot returns to, and what it does by itself, such as emptying the bin or washing and drying the mops. Station same on all | all-in-one station | all-in-one station | all-in-one station |
| How long the maker says a dust bag lasts with daily use. With pets or a lot of carpet it is shorter. In this comparisonWhen it matters
Source
| up to 90 days | up to 170 days best | up to 65 days |
| The dock can be connected to the tap and the drain, so you never fill or empty a tank. It does need a connection nearby. When it matters
Source
| no (assumed) | no (assumed) | no (assumed) |
| Brush and obstacles | |||
| A brush that guides hair to the side instead of letting it wind around the shaft. It saves the cutting work in homes with long hair or pets. When it matters
Source
| yes | yes | yes |
| How the robot sees loose things on the floor, such as cables, socks or a pet accident. A camera with depth sensing sees more than a bumper that reacts on contact. When it matters
Source
| – | 3D sensor (structured light) | AI camera |
| The highest threshold the robot takes, as the maker states it. Measure your own: the step into a bathroom or onto a balcony is often higher. In this comparisonWhen it matters
Source
| 0.6 in (15 mm) | 0.8 in (20 mm) | 1.8 in (45 mm) best |
| An extending leg or wheel that carries the robot over a high threshold. Without one it usually stops at about 0.8 in (2 cm). When it matters
Source
| no (assumed) | no (assumed) | yes (best) |
| Size, noise and age | |||
| How tall the robot is. It decides whether it fits under your sofa, bed or cabinet. In this comparisonWhen it matters
Source
| 3.8 in (9.7 cm) | 3.8 in (9.7 cm) | 3.5 in (9 cm) best |
| The noise in decibels, in the setting its source names: makers mostly give the standard setting, stores often the highest. 65 dB is like a vacuum at half power, 55 dB like a conversation. When it matters
Source
| – | 63 dB | – |
| The month the model first went on sale. It shows how old the technology in it is. On the market since | December 2025 | July 2026 | September 2026 |
Facts as the maker states them. A dash means the maker does not name it. Each model’s page gives the source of every fact. Noise is the maker’s own figure, so we do not judge it, and a customer rating only counts from 20 reviews.
Prices per store
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Lefant M3 specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
Lefant · on the market since December 2025
Robot height3.8 in
Climbs thresholds up to0.6 in
Mop lift on carpet0.4 in
Runtime per charge220 min
Suction power12,000 Pa
Consumables: a 3.2 l dust bag in the station, which lasts up to 90 days.
Dimensionsrobot and dock
From the published dimensions. The dock needs a spot 14.6 in wide and 15.2 in deep.
Suction and brushes 3 facts
- Suction power
Among the models we track
12,000 Pa on this model
Lowest
600 Pa Highest
42,000 Pa Middle
6,000 PaHigher than 654 of the 900 models we track.
When it matters
- Deep-pile carpet and rugs, where dust sinks in.
- Pet hair, sand and crumbs trodden into fibers.
- On hard floors the gain from a higher figure is small: the dust lies on top.
Source: lefant.life · checked on Sep 26
Suction in pascal, as the maker measures it. More pascal helps on carpet, but it says little about how well the robot picks grit off a hard floor.
- 12,000 Pa
- Anti-tangle brush
473 of the 493 models we track have this.
When it matters
- Long hair and pet hair, which wrap around a bristle brush.
- Homes where you would rather not cut hair off the brush.
- Short hair and few pets hardly tangle anyway.
Source: lefant.life · checked on Sep 26
A brush that guides hair to the side instead of letting it wind around the shaft. It saves the cutting work in homes with long hair or pets.
- yes
- Suitable for pet hair
When it matters
- Dogs and cats that shed.
- Long-haired pets, whose hair wraps around a brush.
- Without pets, ordinary hair and dust need nothing special.
Source: derived, no source of its own · checked on Oct 2
Whether the robot copes with pet hair: a brush that hair does not wind around and a dock that empties the bin for you. Where the maker does not say so itself, we read it from those two.
- yes
Mopping 3 facts
- Mop type
When it matters
- Homes with a lot of hard floor that you want mopped, not just wiped.
- Dried-on dirt in a kitchen, which spinning pads or a roller scrub off better than a dragged cloth.
- If you only vacuum, the mop’s build decides nothing.
Source: lefant.life · checked on Sep 26
How the mop is built: flat pads, two spinning discs or a roller. Discs press harder on dried-on dirt, a roller rinses itself while it works.
- spinning pads
- Mop lift on carpet
Among the models we track
0.4 in (9 mm) on this model
Lowest
0.2 in (5 mm) Highest
1.2 in (30 mm) Middle
0.4 in (10.5 mm)Lower than 210 of the 282 models we track.
When it matters
- Homes with rugs and hard floors side by side.
- Mopping without the robot leaving the rugs damp.
- Without rugs the mop never has to lift.
Source: amazon.com · checked on Oct 5
How far the robot lifts the mop when it drives onto a carpet. From about 0.4 in (10 mm) a medium pile stays dry.
- 0.4 in (9 mm)
- Automatic mop detach
When it matters
- Homes with carpets or rugs that should stay dry.
- High-pile rugs that no mop lift clears.
- Without carpets the mop can stay on.
Source: lefant.life · checked on Oct 10
The robot leaves the mop at the dock before it vacuums a carpet, so the carpet never gets wet. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
Dock 10 facts
- Empties the dust bin
When it matters
- Pets, sand or a large home, which fill the bin every run.
- Dust allergy, since you rarely touch the dust yourself.
- In a small home with little dust, emptying the bin by hand takes a moment.
Source: lefant.life · checked on Sep 26
The dock empties the robot’s dust bin, usually after every run. You only empty the dock’s bag or bin.
- yes
- Bagless
When it matters
- Not wanting to buy bags again and again.
- Pets, whose hair fills a bag quickly.
- With a dust allergy a sealed bag keeps the dust in when you throw it away, so bagless is no gain.
Source: amazon.com · checked on Sep 29
The dock collects dust in a bin instead of a disposable bag. No bags to buy, but you empty it yourself.
- no
- Dust bag capacity
Source: amazon.com · checked on Sep 26
How much the dust bag in the dock holds.
- 3.2 l
- Dust bag lasts
Among the models we track
up to 90 days on this model
Lowest
up to 30 days Highest
up to 180 days Middle
up to 70 daysHigher than 308 of the 454 models we track.
When it matters
- Pets or a lot of carpet, which fill a bag faster than the maker’s figure.
- Counting what bags cost in a year.
- With a bagless dock there is no bag to replace.
Source: amazon.com · checked on Sep 26
How long the maker says a dust bag lasts with daily use. With pets or a lot of carpet it is shorter.
- up to 90 days
- Washes the mop
297 of the 378 models we track have this.
When it matters
- Mopping several times a week, when rinsing pads by hand gets tiresome.
- Kitchens and hallways, where a mop picks up a lot of dirt.
- If you rarely mop, washing the pads by hand is little work.
Source: lefant.life · checked on Sep 26
The dock washes the mop for you, so you do not rinse it by hand.
- yes
- Dries the mop
When it matters
- Mopping often, since a damp mop in the dock starts to smell.
- Humid rooms, where a mop dries slowly.
- If you take the pads off and wash them yourself, you will not miss it.
Source: lefant.life · checked on Sep 26
The dock dries the mop afterwards, so it does not sit there wet and start to smell.
- yes
- Hot-air drying
When it matters
- Mopping daily, when the mop barely dries before the next run.
- A smell from the dock in a warm or humid home.
- If you mop only now and then, cold air dries the mop in time.
Source: lefant.life · checked on Oct 10
Drying is done with warm air instead of cold. It is faster and it helps against smell. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- Dispenses detergent
When it matters
- Kitchens and greasy floors, where water alone leaves a film.
- Not wanting to add cleaner by hand each time.
- Some floors, such as oiled wood, are best mopped with water only, so there it adds nothing.
Source: vacuumwars.com · checked on Sep 29
The dock mixes detergent into the water itself, from its own bottle.
- yes
- Plumbing hookup
When it matters
- Mopping every day, without filling and emptying tanks.
- A spot near a tap and a drain, such as a utility room or under a kitchen counter.
- If the dock stands far from any plumbing, it is no use.
Source: lefant.life · checked on Oct 10
The dock can be connected to the tap and the drain, so you never fill or empty a tank. It does need a connection nearby. On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
- Dock size (w × d × h)
When it matters
- A small hallway or a niche where the dock has to fit.
- Placing the dock under a cabinet or a counter.
- Along an open wall with room to spare it decides little.
Source: amazon.com · checked on Oct 3
The width, depth and height of the dock. Measure the spot you have in mind, and leave room for the lid and for the robot driving in.
- 14.6 × 15.2 × 14 in (37.1 × 38.6 × 35.6 cm)
Navigation and obstacles 3 facts
- Navigation
When it matters
- Several rooms, where a map lets you send the robot to one of them.
- Cleaning in the dark, which lidar does and a camera alone does not.
- In one open room even simple navigation covers the floor.
Source: lefant.life · checked on Sep 26
How the robot maps your home and follows that map. Lidar measures with a laser and works in the dark, a camera looks along and recognizes more.
- LiDAR turret
- Climbs thresholds up to
Among the models we track
0.6 in (15 mm) on this model
Lowest
0.1 in (3 mm) Highest
2.4 in (60 mm) Middle
0.8 in (20 mm)Lower than 739 of the 914 models we track.
When it matters
- Door sills and raised strips between rooms.
- Thick rugs whose edge the robot has to climb.
- In a flat home with no sills it decides nothing.
Source: vacuumwars.com · checked on Sep 29
The highest threshold the robot takes, as the maker states it. Measure your own: the step into a bathroom or onto a balcony is often higher.
- 0.6 in (15 mm)
- Climbing system for high thresholds
When it matters
- Door sills higher than most robots can take.
- Thick rugs and raised doorsteps between rooms.
- In a home without sills it decides nothing.
Source: lefant.life · checked on Oct 10
An extending leg or wheel that carries the robot over a high threshold. Without one it usually stops at about 0.8 in (2 cm). On this model: Assumed, not a stated fact: the maker's full specification does not name it, so we take it as no.
- no (assumed)
Robot 1 fact
- Robot height
Among the models we track
3.8 in (9.7 cm) on this model
Lowest
2.2 in (5.6 cm) Highest
5.7 in (14.5 cm) Middle
3.7 in (9.5 cm)Higher than 613 of the 1002 models we track.
When it matters
- Sofas, beds and cabinets with little room underneath.
- Dust that gathers under furniture you never move.
- With furniture on high legs or flat on the floor it decides nothing.
Source: amazon.com · checked on Oct 5
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 3.8 in (9.7 cm)
Battery 2 facts
- Battery capacity
Source: amazon.com · checked on Sep 26
The capacity of the battery. It hints at the runtime, but how much the robot draws counts just as much.
- 5,200 mAh
- Runtime per charge
Among the models we track
220 min on this model
Lowest
45 min Highest
360 min Middle
150 minHigher than 796 of the 989 models we track.
When it matters
- Large homes or several floors cleaned in one go.
- Carpet, where the robot uses more power.
- In a small home most robots finish well before the battery runs low.
Source: lefant.life · checked on Sep 26
How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped.
- 220 min
Smart features and warranty 2 facts
- Voice assistants
When it matters
- Starting the robot by voice while your hands are full.
- A home already run with Alexa, Google or Siri.
- If you start it from the app or a schedule, you will not miss it.
Source: amazon.com · checked on Sep 26
Which voice assistants the robot works with, such as Google Assistant or Alexa.
- Google Assistant
- Wi-Fi band
When it matters
- A router that only offers one network for 2.4 and 5 GHz together.
- Weak wifi in parts of the home.
- If your router has a 2.4 GHz network, any robot connects.
Source: lefant.life · checked on Oct 2
Which Wi-Fi the robot connects to. Many robots only use 2.4 GHz, so check that your router still broadcasts it.
- 2.4 and 5 GHz
Sources: lefant.life · amazon.com · vacuumwars.com
Frequently asked questions about the Lefant M3
Does the Lefant M3 empty its own dust bin?
Yes. The station empties the robot’s dust bin after every run. The 3.2 l dust bag in the station lasts up to 90 days, the maker says.
Does the Lefant M3 wash and dry its own mop?
Yes. The station washes the mop itself. It then dries the mop.
Does the Lefant M3 work with Alexa, Google Home or Siri?
It works with Google Assistant.
How high a threshold can the Lefant M3 climb?
Thresholds up to 0.6 in (15 mm), the maker says. Measure your own thresholds: the ones to a bathroom or balcony are often higher.
Does the Lefant M3 fit under low furniture?
The robot is 3.8 in (9.7 cm) tall, so it fits under furniture with at least 3.9 in of clearance.
Is the Lefant M3 suitable for pet hair?
Yes, the maker says. The brush guides hair to the side instead of winding it around the roller.
The maker
Lefant
- Reviews on Trustpilot
- Founded in 2011
Lefant sells robot vacuum cleaners and cordless vacuum cleaners through its own online stores, which in Europe are run by LeFun Robotics GmbH of Laatzen, Germany. In the United States the LEFANT trademark is registered to Shenzhen Useer Robotic Co., Ltd. of Shenzhen, China.
