Ecovacs Deebot Ozmo 900 vs Roborock E4

Cleaning

Ecovacs Deebot Ozmo 900Roborock E4
Cleaning typeDry and wetDry
Suction power

1000 Pa

2000 Pa

Cleaning area

150 m²

200 m²

Water tank Capacity

240 ml

180 ml

Number of side brushes

2 piece(s)

1 piece(s)

Overcoming the thresholds

up to 1.6 cm

up to 2 cm

Self cleaning basen/aNo
Noise level

67 dB

69 dB

Turbo brushYesYes
Usage AreaHard Floor+CarpetHard Floor+Carpet
Power

40 W

58 W

Keep Out ZonesVacuum+MopNo
Cleaning zone limiterMobile ApplicationVirtual wall
Climbing Thresholdn/a

20 mm

Wet MoppingYesYes
Vibrating mopping padYesNo
Cleaning time calculationNoNo
Cleaning BrushYesYes
Edge CleaningYesYes
Bump PreventionYesn/a
SPOT Moden/aYes

Technical specifications

Ecovacs Deebot Ozmo 900Roborock E4
Product TypeRobot Vacuum+MopRobot Vacuum+Mop
Wi-fiYesYes
Automatic Software Updaten/aYes
Voice AnnouncementsYesYes
Modesn/a

4 mode(s)

Time SchedulingYesYes

Navigation

Ecovacs Deebot Ozmo 900Roborock E4
MappingYesYes
Mapping TypeLaser (LDS)Gyroscope
Smart NavigationYesYes
Manual robot control (from the app)YesYes
Selective Room CleaningYesNo
Setting the suction power and water level for each roomNoNo
Storing multiple cleaning maps in memory (cleaning multiple floors)YesNo

Control

Ecovacs Deebot Ozmo 900Roborock E4
Voice promptsYesYes
Voice Assistant Support
  • Amazon Echo
  • Google Home
n/a
Scheduled cleaningYesYes
Manual control (from the button on the vacuum cleaner)YesNo
Control from smartphoneYesYes
Remote controlNoNo
Suction ControlAutomaticAutomatic

Integration with cloud services

Ecovacs Deebot Ozmo 900Roborock E4
Amazon AlexaYesYes
Google HomeYesYes
Samsung SmartThingsNoNo
Xiaomi Mi HomeNoNo

Sensors

Ecovacs Deebot Ozmo 900Roborock E4
Carpet detectionYesYes
Dirt detectionNoNo
Cliff SensorYesn/a

Battery

Ecovacs Deebot Ozmo 900Roborock E4
Battery typeLi-ionLi-ion
Battery Capacity

2600 mAh

5200 mAh

Battery life up to

90 min

200 min

Charging time

4 Hours

5 Hours

Fast chargingn/aNo
Battery Voltage

14.4 V

14.4 V

Auto RechargeYesYes

Bin

Ecovacs Deebot Ozmo 900Roborock E4
Dustbin Capacity

450 ml

640 ml

Bin StationNoNo
Dust collector filling indicatorNoNo
Washable Dustbinn/aYes

Filters

Ecovacs Deebot Ozmo 900Roborock E4
HEPA FilterYesYes
Washable FilterYesYes
Cyclone FilterNoNo

Dimensions and equipment

Ecovacs Deebot Ozmo 900Roborock E4
Width

350 mm

353 mm

Height

102 mm

91 mm

Depth

350 mm

350 mm

Weight

4.30 Kg

3.2 kg

ColorWhiteBlack
Included Equipment
  • robot vacuum cleaner
  • water tank
  • 2 microfiber cloths
  • 4 side brushes
  • 2 dust filters
  • microfiber clipboard
  • main brush
  • replaceable direct suction nozzle
  • universal brush for robot maintenance
  • charging station
  • Robot vacuum cleaner
  • Side brush
  • Wet cleaning cloth
  • User manual
Additionallyn/a
  • Silent Mode
  • Inertial navigation