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Comparing 2 robot vacuums

Your shortlist side by side: today’s price, our score and every fact the maker states.

Green is the best of these 2, also when they share the lead.

Lefant M5 × Best on 2 facts Roborock QV 35A × Best on 2 facts
Most important facts
Lowest price 599 €Amazon.de 359 €OTTO best
Score not in our ranking 6.7
Customer rating – –
Tests – Just A Dad Approved Vacuum Wars
Suction power higher is better 15,000 Pa best 8,000 Pa
Runtime per charge longer is better same on both 180 min 180 min
Climbs thresholds up to higher is better – 20 mm
Robot height lower is better – 9.7 cm
Mop lift on carpet higher is better 8 mm 10 mm best
Dust bag lasts longer is better up to 120 days best up to 30 days
Navigation same on both LiDAR turret LiDAR turret
Rank
Rank – rank 63 of 73 with an all-in-one station
Mopping
Mop type roller mop spinning pads
Automatic mop detach same on both no no (assumed)
Washes the mop same on both yes yes
Hot-air drying same on both no no
Station
Station same on both all-in-one station all-in-one station
Plumbing hookup – no (assumed)
Brush and obstacles
Anti-tangle brush same on both yes yes
Obstacle avoidance – 3D sensor (structured light)
Climbing system for high thresholds – no (assumed)
Noise and age
Noise while cleaning not judged 55 dB 65 dB
On the market since August 2026 January 2025
Suction and brushes
Carpet detection same on both detects carpet detects carpet
Suitable for pet hair same on both yes yes
Main brush – rubber
Extending side brush – no (assumed)
Mopping
Mop refreshed while mopping same on both yes yes
Mop extends to the edges – no (assumed)
Water tank in the robot – 72 ml
Dock
Empties the dust bin same on both yes yes
Bagless same on both no no
Wash temperature cold water –
Dries the mop same on both yes yes
Dust bag capacity – 4 l
Dispenses detergent – no (assumed)
Navigation and obstacles
No-go zones – zones in the app
Stair-edge sensors – yes
Robotic arm – no (assumed)
Robot
Robot diameter – 35.3 cm
Dust bin in the robot – 330 ml
Battery
Battery capacity – 5,200 mAh
Smart features and warranty
Matter same on both no (assumed) no (assumed)
Voice assistants Alexa, Google Assistant Alexa, Google Assistant, Siri
Warranty 1 year 2 years
Wi-Fi band 2.4 and 5 GHz –
Scheduled runs – yes
Home Assistant – official integration

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.

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