Ecovacs Deebot T9
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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 Ecovacs Deebot T9 Best on 1 fact | Cheapest of the top 10 Roborock Q7 L5 Best on 1 fact | Highest score here Roborock Q7 M5 Best on 1 fact | |
|---|---|---|---|
| Price and ranking | |||
| Lowest price | – | $129Roborock (brand store) best | $149Roborock (brand store) |
| Score | not in our ranking | best | |
| Rank | – | rank 2 of 6 without a station | rank 1 of 6 without a station |
| Customer rating | – | ★ 4.0 · 16,618 reviews | ★ 4.0 · 5,617 reviews |
| Mopping | |||
| Mop type same on all | flat or vibrating pad | flat or vibrating pad | flat or vibrating pad |
| Mop lift on carpet higher is better | – | – | 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 |
| Obstacle avoidance | 3D sensor (structured light) | – | – |
| Climbs thresholds up to higher is better | – | 0.8 in (20 mm) | 0.8 in (20 mm) |
| Climbing system for high thresholds | – | – | no |
| Size, noise and age | |||
| Robot height lower is better | 3.7 in (9.4 cm) best | 3.9 in (9.9 cm) | 3.9 in (9.9 cm) |
| Noise not judged | 67 dB | – | 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.
Ecovacs Deebot T9 specifications
The numbers that matter first, then every fact by group. As published by the maker or the store we read it from.
Dimensionsrobot and dock
From the published dimensions. The robot passes under furniture with 3.7 in of clearance or more.
Suction and brushes 1 fact
- 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.
- 3,000 Pa
Mopping 2 facts
- Mop type
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.
- flat or vibrating pad
- 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.
- 180 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
- Obstacle avoidance
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.
- 3D sensor (structured light)
- Works in the dark
The robot finds its way without daylight or lamps on, for example under a bed or during a run at night.
- yes
Robot 5 facts
- Robot height
How tall the robot is. It decides whether it fits under your sofa, bed or cabinet.
- 3.7 in (9.4 cm)
- Robot diameter
How wide the robot is. Narrower gets between chair legs more easily, wider usually means a bigger dust bin.
- 13.9 in (35.3 cm)
- Robot weight
What the robot weighs. It counts most if you carry it up a staircase every day.
- 7.9 lb (3.6 kg)
- 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.
- 420 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.
- 67 dB
Battery 3 facts
- Battery capacity
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
How long the robot cleans on one charge, at its quietest setting. After that it recharges and carries on where it stopped.
- 175 min
- Charging time
How long an empty battery takes to charge fully in the dock.
- 6.5 h
Sources: ecovacs.com · caps.nl
Frequently asked questions about the Ecovacs Deebot T9
Can the Ecovacs Deebot T9 mop?
Yes, with a flat mop cloth under the robot.
Does the Ecovacs Deebot T9 fit under low furniture?
The robot is 3.7 in (9.4 cm) tall, so it fits under furniture with at least 3.7 in of clearance.
How long does the Ecovacs Deebot T9 run on one charge?
175 minutes on its quietest setting. A full charge takes 6.5 hours.