RV20 Max Plus
A robot that vacuums and mops with a flat pad. Its dock empties the bin.
Vacuum and mopPrice band: Under $500
Our take
A low robot with a self-emptying dock for under $500. It climbs 2.2 cm and stands 8.3 cm tall, and its 5,300 Pa of suction is on the light side.
By Emma Walsh
The RV20 Max Plus is the robot we’d suggest to someone who has never owned one and isn’t sure they’ll get on with it. It sits in our under-$500 band, and its numbers suit an ordinary house with hard floors and a couch that sits low.
The robot is 8.3 cm tall, which puts it among the four lowest in our list, and it climbs a sill of 2.2 cm. No robot in our under-$500 band states a higher climb, which is why it’s the budget pick in our guide to door sills. It keeps up to four maps, so it can be carried between the levels of a split-level home and still know where it is.
The dock looks after the dust by sucking the robot’s 300 ml bin out into a bag of 3 litres, and it takes up 22.8 x 16.4 x 33 cm. A run lasts up to 180 minutes and a charge takes four hours. The noise figures are 52 dB in quiet mode and 55 dB in standard.
Cleaning power is where you can tell what you paid. Suction is 5,300 Pa, and only two robots in our list state less. The robot raises its suction when it’s on carpet, but we’d still buy it for hard floors and flat rugs. The mop is a flat pad fed from a 300 ml tank with three water levels, and the dock doesn’t wash or dry it. While it’s mopping the robot keeps off carpet, which saves you from fencing off the rugs yourself.
If clutter is a fact of life in your house, the Narwal Freo S from the same band has a front light sensor, 8,000 Pa of suction and a 3.5-litre bag, though it’s 10 cm tall.
The RV20’s other limit is what it sees. It has a 2,600 mAh battery and a mapping laser, and that laser is all it has for spotting obstacles, so anything small on the floor is best picked up before it runs.
Against the other 40 robots
Where it sits in our list
Suction5,300 Pa
4,000 PaFurther right pulls harder.36,000 Pa
Height8.3 cm
7.2 cmFurther left fits under lower furniture.12 cm
Step it climbs2.2 cm
2 cmFurther right gets over taller door sills.4.8 cm
Checked 11 November 2026
The spec sheet
Each number shows where we read it. Open a row to see the words it came from. "Not stated" means we couldn't find the number on the brand's page or the listing.
What the dock does
- Empties the binYes
- Washes the mopNo
- Dries the mopNo
- Refills the waterNo
- Adds detergentNo
What it doesVacuums and mopsThe brand's own page
What the page says"Robot Vacuum and Mop with Auto-Empty Dock Tapo RV20 Max Plus"
Suction5,300 PaThe brand's own page
The most it can pull, on its strongest setting.
What the page says"Max Suction Power: 5300Pa"
Finds its way byLaser (LiDAR)The brand's own page
What the page says"Mapping/Path Planning: MagSlim LiDAR Navigation"
Spots clutter withLaser onlyThe brand's own page
A front sensor for cables, socks and toys.
What the page says"Obstacle Avoidance: LiDAR"
MopFlat padThe brand's own page
What the page says"Mopping Type: Electric Water Flow Control"
Mop lifts on carpetNoThe brand's own page
What the page says"In mopping mode, the robot avoids carpeted areas to prevent wetting."
Climbs a step of2.2 cmThe brand's own page
One step, like a door sill.
What the page says"Barrier-Cross Height: 22 mm/0.87 in"
Height8.3 cmThe brand's own page
Check it against the gap under your furniture.
What the page says"Robot Vacuum: Φ330 × 83 mm"
Battery2,600 mAhThe brand's own page
What the page says"Battery Capacity: 2600 mAh"
Longest run180 minutesThe brand's own page
The brand's longest figure, on a gentle setting.
What the page says"Maximum Runtime 180 min"
Bin in the robot300 mlThe brand's own page
What the page says"Dustbin Capacity: 300 ml"
Dust bag in the dock3 litresThe brand's own page
What the page says"Dust Bag Capacity: 3L"
More details
Water tank (robot)300 ml, three water flow levelsThe brand's own page
What the page says"Water Level Adjustment: 3 levels Water Tank Capacity: 300 ml"
Carpet handlingRaises suction on carpet; keeps off carpet while moppingThe brand's own page
What the page says"When on carpet, the robot increases suction to powerfully remove hidden dirt. In mopping mode, the robot avoids carpeted areas to prevent wetting."
Noise52 dB in quiet mode, 55 dB in standard modeThe brand's own page
What the page says"Noise: 52 dB (Quiet Mode) 55 dB (Default/Standard)"
Dock size228 x 164 x 330 mmThe brand's own page
What the page says"Auto-Empty Dock: 228 × 164 × 330 mm"
App and voiceWorks with Google Home and AlexaThe brand's own page
What the page says"Works with Google Home: Yes Works with Amazon Alexa: Yes"
Charging time4 hoursThe brand's own page
What the page says"Charging Time: 4h"
Multi-floor mapsStores up to four maps (3 + 1)The brand's own page
What the page says"creates 3+1 multi-floor local-stored maps"
Buying guides
