ARBRIX F450-X 20 in
#2 in 17 in and upFull review
A 20 in lithium scrubber for supermarkets, schools and warehouses that want hours of cordless cleaning without battery maintenance.
Amazon $2,019$2,019
20 in12 gal4 h
4.1/5
A wide battery scrubber that runs a whole shift on a charge, for warehouses, factories and gyms. It has the longest runtime here.
- 22 inPath
- 13.2 / 14.5 galTanks
- BatteryPower
- 5 hRuntime
Check price at Amazon$2,299
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Up to 5 hours per charge, enough for a full shift
- 22 in path for large open floors
- Low price per inch of path
- Batteries, charger, brush and pads included
Cons
- About 8 hours to recharge
- At 330 lb it needs a ramp or liftgate to move between sites
The Sunmax RT family
Every Sunmax RT model we rank, smallest first. Ratings compare each against its own size.
| Model | Path | Rating | Price |
|---|---|---|---|
| Sunmax RT35 | 17 in | 3.4/5 | $1,999 |
| Sunmax RT50 22 in (this one) | 22 in | 4.1/5 | $2,299 |
How it scores
The rating comes from 6 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | RT50 |
|---|---|
| Cleaning | |
| Cleaning path | 22 in |
| Squeegee width | 31 in |
| Brush speed | 200 rpm |
| Maker productivity claim (not scored) | 30,000 sq ft/h |
| Tanks | |
| Solution tank | 13.2 gal |
| Recovery tank | 14.5 gal |
| Power | |
| Power | Battery |
| Voltage | 24 V |
| Runtime per charge | 5 h |
| Build | |
| Weight | 330 lb |
| Parts warranty | 2 years |
Alternatives in this size
Purilitzs T380 22 in
#3 in 17 in and upFull review
A 22 in battery scrubber with large tanks and several hours of runtime, for warehouses, factories and large retail floors.
Amazon $2,489$2,489
22 in18.5 gal3 h
Viper AS430C
#4 in 17 in and upFull review
A corded 17 in scrubber for floors near outlets, like kitchens, shops and small warehouses, where nobody wants to manage batteries.
Amazon $3,015$3,015
17 in13 galCorded
Compare
Compare the Sunmax RT50 22 in with any other floor scrubber →
More from Sunmax: every Sunmax product ranked.