Say Hello To
the R12 Rex CS

And Goodbye To

Specially designed for distribution centres, warehouses and anywhere that requires pre-sweeping.

  • 4.5

    Running Time
  • 1270

    Cleaning Width
  • UP TO 95

    Brush Pressure

Traditional killers of scrubbing are all the things on the floor of the warehouse like wraps, wooden pieces, leaves etc.

Boom – the Rex CS clears everything.

The Rex CS.your answer to large-scale cleaning anywhere.

1270 MM
Cleaning Width

Side brushes that are able to clean right to the edges, leaving floors impeccable.

200m Lidar
Coverage with 3d slam

Clean better, further and safer without losing localisation.

100,000 Square feet per charge

The Rex CS goes the extra mile per charge, while being smart enough to refuel itself at its docking station.

With its world-class cleaning mechanism, the Rex CS picks up debris while delivering powerful scrubbing performance. A 200m LIDAR range with 3D SLAM enables it to see further, map better and be more efficient. And when it’s done, it auto-docks into its own refuel station — getting ready to go for the next round.

Eliminate Hard Stains

Delivering up to 95kg of unadulterated scrubbing power to remove the toughest of stains!

Cleans Super Fast

With a tight turning radius, the Rex CS delivers class-leading nimbleness, able to traverse a large variety of locations, from cramped warehouses to full carparks.

Built To Last

Made with only the best materials, we have full confidence in the make and build quality of the Rex CS! Proudly built in Singapore to our stringent and exacting standards.


With a 200m LIDAR range and 3D SLAM, the Rex CS is an all knowing king - able to effectively avoid dangers with advance active obstacle tracking.

Multiple Control Options

Keep complete control with 3 easy options: a high-definition touch-screen, a manual cleaning mode, and lastly launch through our LionsClean app!

sustainable & efficient

With a class-leading brush size and larger water tanks, the Rex CS delivers efficient cleaning a pound-for-pound winner that both you and the planet will love.



Length 1,675 mm / 65.9”
Width 890 mm / 35"
Height 1,473 mm / 58"
Cleaning Width 810 mm / 31.9"
Squeegee Width 950 mm / 37.4"
Weight 550 kg / 1,212.5 lbs
Maximum Slope 6 degrees (Manual mode only)
Brush Pressure Up to 80 kg / 176.4 lbs
Maximum Cleaning Speed 1-1.4m/s, 2.2 - 3.1 mph
Avg. Practical Efficiency 800 - 1,600 m²/hr
/ 8,611.1 – 17,222.3 ft²/hr
Maximum LiDAR Coverage 120 m/393.7 ft
Clean Water Tank 140 L / 37 gal
Waste Water Tank 140 L / 37 gal
Chemical Pouch 5 L / 1.3 gal
Defoamer Capacity 1 L / 0.3 gal
Max. Runtime 5 - 6 hrs
Avg. Charging Time 8 - 10 hrs
Avg. Sound Level 75.1 db
User Control Award winning LionsClean app, touchscreen, LionsCloud dashboard or manual
Operation Manual over-ride, autonomous cleaning
Cleaning Mechanism 2x cylindrical brush, 2x side sweeping brush, squeegee
Other Accessories Refuel Station, Disc Brushes and Pads, Primothane/Linatex Squeegee Blades, Lithium Ion Batteries

Ready to experience the Rex CS?

Click the button below to book an appointment or demo with our Sales Consultants today.

Want to learn more about our cleaning robots?

Contact us for a demo or consultation today!