Sunmax RT50 22 in
#1 in 17 in and upFull review
A wide battery scrubber that runs a whole shift on a charge, for warehouses, factories and gyms. It has the longest runtime here.
Amazon $2,299$2,299
The Sunmax RT50 22 in is the better floor scrubber overall, rated 4.1 to 4.0. The Sunmax RT50 22 in leads on cleaning path. The ARBRIX F450-X 20 in costs $280 less ($2,019 vs $2,299).
Prices were last checked November 9, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.
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
Which should you buy?
- Choose the Sunmax RT50 22 in for cleaning path (22 in cleaning path vs 20 in cleaning path).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 17 in and up floor scrubber; a clear win is highlighted. How we rank explains each one.
| Factor weight | Sunmax RT50 22 in | ARBRIX F450-X 20 in |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 30% | 71 $104.50 per inch of path ($2,299, 22 in) | 73 $100.95 per inch of path ($2,019, 20 in) |
| Cleaning path 20% | 85 22 in cleaning path | 69 20 in cleaning path |
| Recovery tank 15% | 99 14.5 gal recovery tank | 92 12 gal recovery tank |
| Runtime 15% | 100 5 h per charge | 100 4 h per charge |
| Noise 5% | 50 sound level not published (neutral score used) | 47 68 dB(A) |
| Warranty 15% | 25 2-year parts warranty | 25 2-year parts warranty |
Specifications
| Sunmax RT50 22 in | ARBRIX F450-X 20 in | |
|---|---|---|
| Cleaning | ||
| Cleaning path | 22 in | 20 in |
| Squeegee width | 31 in | 31.5 in |
| Brush speed | 200 rpm | - |
| Maker productivity claim (not scored) | 30,000 sq ft/h | 23,142 sq ft/h |
| Tanks | ||
| Solution tank | 13.2 gal | 10.5 gal |
| Recovery tank | 14.5 gal | 12 gal |
| Power | ||
| Power | Battery | Battery (lithium) |
| Voltage | 24 V | 24 V |
| Runtime per charge | 5 h | 4 h |
| Build | ||
| Noise | - | 68 dB(A) |
| Weight | 330 lb | 194 lb |
| Parts warranty | 2 years | 2 years |