A 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 $3,826The Clarke MA30 13B and the Minuteman E14 Battery are evenly matched, rated 2.6 and 2.5. The Clarke MA30 13B leads on warranty. The Minuteman E14 Battery wins on recovery tank, value and runtime. The Minuteman E14 Battery costs $685.70 less ($3,140.30 vs $3,826).
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 compact disc scrubber that carries more water than its size suggests, for schools and stores with long aisles. Its warranty is short.
Amazon $3,140.30Which should you buy?
- Choose the Clarke MA30 13B for warranty (5-year parts warranty vs 1-year parts warranty).
- Choose the Minuteman E14 Battery for recovery tank (4.8 gal recovery tank vs 1.6 gal recovery tank), value ($224.31 per inch of path ($3,140.30, 14 in) vs $285.52 per inch of path ($3,826, 13.4 in)) and runtime (1.3 h per charge vs 0.7 h per charge).
Scores side by side
Each 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 MA30 13B | Minuteman E14 Battery |
|---|---|---|
| Overall rating | 2.6/5 | 2.5/5 |
| Value 30% | 18 $285.52 per inch of path ($3,826, 13.4 in) | 30 $224.31 per inch of path ($3,140.30, 14 in) |
| Cleaning path 20% | 18 13.4 in cleaning path | 23 14 in cleaning path |
| Recovery tank 15% | 17 1.6 gal recovery tank | 58 4.8 gal recovery tank |
| Runtime 15% | 5 0.7 h per charge | 23 1.3 h per charge |
| Noise 5% | 60 66 dB(A) | 50 sound level not published (neutral score used) |
| Warranty 15% | 100 5-year parts warranty | 0 1-year parts warranty |
Specifications
| Clarke MA30 13B | Minuteman E14 Battery | |
|---|---|---|
| Cleaning | ||
| Cleaning path | 13.4 in | 14 in |
| Squeegee width | 14 in | 16.5 in |
| Brush type | Cylindrical roller | Disc |
| Brush speed | 1,000 rpm | 170 rpm |
| Brush pressure | 26.4 lb | 62 lb |
| Maker productivity claim (not scored) | 14,369 sq ft/h | 11,302 sq ft/h |
| Tanks | ||
| Solution tank | 1.6 gal | 4.2 gal |
| Recovery tank | 1.6 gal | 4.8 gal |
| Power | ||
| Power | Battery (lithium) | Battery (AGM) |
| Voltage | 36 V | - |
| Runtime per charge | 0.7 h | 1.3 h |
| Build | ||
| Noise | 66 dB(A) | - |
| Weight | 55 lb | 138.9 lb |
| Parts warranty | 5 years | 1 year |
| Labor warranty | 2 years | 1 year |
