lubluelu B40
No store we follow ships this model to the United States. This page says what it can do, and which similar robots you can buy here.
Which robot is right for your home? Find out in 7 questions →
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 lubluelu B40 Best on 1 fact | Cheapest of the top 10 MOVA P70 Pro Ultra Best on 3 facts | Highest score here Narwal Freo 20 Best on 4 facts | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | $679MOVA (brand store) best | $849Narwal (brand store) |
| Score | not in our ranking | best | |
| Tests | – | Vacuum Wars | Vacuum Wars |
| Rank | – | rank 6 of 68 with an all-in-one station | rank 1 of 68 with an all-in-one station |
| Customer rating | – | – | – |
| Mopping | |||
| Mop type | – | spinning pads | roller mop |
| Mop lift on carpet higher is better | – | 0.4 in (10.5 mm) best | 0.4 in (10 mm) |
| Automatic mop detach | – | yes (best) | no |
| Washes the mop | – | yes | yes |
| Hot-air drying | – | yes | yes |
| Station | |||
| Station | charging dock only | all-in-one station | all-in-one station |
| Dust bag lasts longer is better | – | up to 100 days | up to 120 days best |
| Plumbing hookup | – | no | – |
| Brush and obstacles | |||
| Anti-tangle brush | – | no | yes (best) |
| Obstacle avoidance | – | AI camera | AI camera |
| Climbs thresholds up to higher is better | 0.7 in (18 mm) | 0.9 in (22 mm) | 1.6 in (40 mm) best |
| Climbing system for high thresholds | – | no | no |
| Size, noise and age | |||
| Robot height lower is better | 3.3 in (8.3 cm) best | 4.1 in (10.4 cm) | 3.7 in (9.5 cm) |
| Noise not judged | 62 dB | 72 dB | – |
| On the market since | – | April 2026 | June 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.
lubluelu B40 specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
Suction and brushes 2 facts
- Suction power
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.
- 5,800 Pa
- Carpet detection
The robot notices when it drives onto a carpet. Most then raise their suction, and a mopping robot lifts its mop or leaves it at the dock.
- detects carpet
Mopping 1 fact
- Water tank in the robot
How much clean water the robot carries. It sets how long it mops before a refill, which a dock does by itself.
- 240 ml
Navigation and obstacles 3 facts
- Navigation
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
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.
- 0.7 in (18 mm)
- Multi-floor maps
How many floor plans the robot keeps. With more than one it knows which floor it is on when you carry it up or down the stairs.
- 5
Robot 3 facts
- Robot height
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 3.3 in (8.3 cm)
- Dust bin in the robot
How much dust the robot holds before you empty it. It matters less with a self-emptying dock, which empties the bin after every run.
- 260 ml
- Noise
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.
- 62 dB
Battery 1 fact
- Runtime per charge
How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped.
- 180 min
Smart features and warranty 1 fact
- Warranty
The warranty the maker gives in the United States.
- 2 years
Sources: lubluelu.com
Frequently asked questions about the lubluelu B40
How high a threshold can the lubluelu B40 climb?
Thresholds up to 0.7 in (18 mm), the maker says. Measure your own thresholds: the ones to a bathroom or balcony are often higher.
Does the lubluelu B40 fit under low furniture?
The robot is 3.3 in (8.3 cm) tall, so it fits under furniture with at least 3.3 in of clearance.
How long does the lubluelu B40 run on one charge?
180 minutes on its quietest setting.
How much warranty does the maker give on the lubluelu B40?
2 years in the United States. Your statutory rights are separate and can last longer.
The maker
lubluelu
lubluelu makes smart home cleaning appliances, including vacuum cleaners, robot vacuums, robotic mops, window cleaning robots and carpet cleaners. In 2023 it set up its own warehouse and customer service team in Germany. Its terms name XINCHENG INNOVATION INTERNATIONAL LIMITED as the company behind its online store.