OTTOblack 119 €299 € Discount as claimed by the shop. We have not followed this shop for the 30 days before the sale began, so we cannot verify the old price yet.How we work this out
Deliveryabout 1–4 days
Returns30-day free returns
lubluelu L20 Ultra
No lab has tested it yet, so it is not in our ranking.
Is the lubluelu L20 Ultra right for your home? Find out in 7 questions →
Before you buy, compare it with 2 recommended alternatives
Beside it, two models on sale today that come closest to it on score and price, with the same kind of station where we have them.
Green is the best of these 3, also when they share the lead.
| This model lubluelu L20 Ultra | Higher score, 7% cheaper Roborock Q7 L5 Best on 2 facts | Higher score, 17% dearer Roborock Q7 M5 Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | 119 €OTTO | 111 €Roborock (brand store) best | 139 €OTTO |
| Score | not in our ranking | best | |
| Tests | – | Vacuum Wars | Vacuum Wars TechRadar Tom's Guide |
| Rank | – | rank 2 of 4 without a station | rank 1 of 4 without a station |
| Customer rating | – | – | – |
| Mopping | |||
| Mop type | – | flat or vibrating pad | flat or vibrating pad |
| Mop lift on carpet higher is better | – | no | no |
| Automatic mop detach | – | – | no |
| Washes the mop | – | no | no |
| Hot-air drying | – | no | no |
| Station | |||
| Station same on all | charging dock only | charging dock only | charging dock only |
| Dust bag lasts longer is better | – | – | up to 30 days |
| Plumbing hookup | – | no | no |
| Brush and obstacles | |||
| Anti-tangle brush | – | yes | yes |
| Climbs thresholds up to higher is better same on all | 20 mm | 20 mm | 20 mm |
| Climbing system for high thresholds | – | – | no |
| Size, noise and age | |||
| Robot height lower is better | – | 9.9 cm best | 9.9 cm |
| Noise not judged | – | – | 65 dB |
| On the market since | – | January 2025 | April 2025 |
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 shop
On 15 October 2026 the lowest price for the lubluelu L20 Ultra is 119 € at OTTO, delivery to Germany included.
All prices include VAT and delivery to Germany. We may earn a commission when you buy through these links. It never changes our ranking.
OTTOblack Price history
Lowest price per day
Lowest since 15 Oct119 €
Highest since 15 Oct119 €
Price drops since 15 Oct0no drop seen yet
lubluelu L20 Ultra specifications
The numbers that matter first, then every fact by group. As published by the maker or the shop we read it from.
Climbs thresholds up to20 mm
Runtime per charge120 min
Suction power5,500 Pa
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.
- 5,500 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 and boosts suction
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 4 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 recognises 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.
- 20 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
- Recharge and resume
When the battery runs low in the middle of a run, the robot recharges and then carries on where it stopped.
- yes
Robot 1 fact
- Dust bin in the robot
How much dust the robot holds before you empty it. It matters less with an auto-empty dock, which empties the bin after every run.
- 260 ml
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.
- 120 min
Smart features and warranty 1 fact
- Warranty
The warranty the maker gives in Germany. Consumer law here stands apart from it and can last longer.
- 2 years
Sources: lubluelu.com
Frequently asked questions about the lubluelu L20 Ultra
How high a threshold can the lubluelu L20 Ultra climb?
Thresholds up to 20 mm, the maker says. Measure your own thresholds: the ones to a bathroom or balcony are often higher.
How long does the lubluelu L20 Ultra run on one charge?
120 minutes on its quietest setting. If the battery runs out sooner, it recharges and carries on where it was.
How much warranty does the maker give on the lubluelu L20 Ultra?
2 years in Germany. 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.