The Clarke MA50 15B is the better floor scrubber overall, rated 2.9 to 2.6. The Clarke MA50 15B leads on runtime, recovery tank and cleaning path. The Clarke MA30 13B wins on noise. The Clarke MA30 13B costs $635.15 less ($3,826 vs $4,461.15).
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.
A battery disc scrubber for convenience stores, clinics and classrooms that need a couple of hours of cordless scrubbing. It is priced well above import machines of the same width.
Amazon $4,461.15A quiet cordless micro scrubber for restrooms, small shops and day cleaning around people. Its battery lasts about 40 minutes and it costs more than larger disc machines.
Amazon $3,826Each factor is scored 0-100 against the same fixed reference points for every under 17 in floor scrubber; a clear win is highlighted. How we rank explains each one.
| Factor weight | Clarke MA50 15B | Clarke MA30 13B |
|---|---|---|
| Overall rating | 2.9/5 | 2.6/5 |
| Value 30% | 16 $297.41 per inch of path ($4,461.15, 15 in) | 18 $285.52 per inch of path ($3,826, 13.4 in) |
| Cleaning path 20% | 31 15 in cleaning path | 18 13.4 in cleaning path |
| Recovery tank 15% | 46 3.5 gal recovery tank | 17 1.6 gal recovery tank |
| Runtime 15% | 43 2 h per charge | 5 0.7 h per charge |
| Noise 5% | 33 70 dB(A) | 60 66 dB(A) |
| Warranty 15% | 100 5-year parts warranty | 100 5-year parts warranty |
| Clarke MA50 15B | Clarke MA30 13B | |
|---|---|---|
| Cleaning | ||
| Cleaning path | 15 in | 13.4 in |
| Squeegee width | 20 in | 14 in |
| Brush type | Disc | Cylindrical roller |
| Brush speed | 150 rpm | 1,000 rpm |
| Brush pressure | 44.5 lb | 26.4 lb |
| Maker productivity claim (not scored) | 8,000 sq ft/h | 14,369 sq ft/h |
| Tanks | ||
| Solution tank | 3.5 gal | 1.6 gal |
| Recovery tank | 3.5 gal | 1.6 gal |
| Power | ||
| Power | Battery (AGM) | Battery (lithium) |
| Voltage | 24 V | 36 V |
| Runtime per charge | 2 h | 0.7 h |
| Build | ||
| Noise | 70 dB(A) | 66 dB(A) |
| Weight | 124 lb | 55 lb |
| Parts warranty | 5 years | 5 years |
| Labor warranty | 2 years | 2 years |
