Karhdir RO850 22 in
#5 in 17 in and upFull review
A 22 in battery scrubber with 18.5 gal of recovery, for warehouses and large open floors. Its battery runtime is not published.
Amazon $2,489$2,489
22 in18.5 gal
3.3/5
A heavy-duty 20 in battery scrubber built for daily use in schools and warehouses. Its wet batteries need upkeep and its price is the highest here.
- 20 inPath
- 16 / 16 galTanks
- Battery (wet)Power
Check price at Amazon$5,720
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- 16 gal tanks for long runs between dumps
- Cast aluminum squeegee built for daily use
- Five-year parts warranty
Cons
- Wet batteries need regular watering
- Battery runtime not published
- Most expensive machine here
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 | 56384810 |
|---|---|
| Cleaning | |
| Cleaning path | 20 in |
| Squeegee width | 31 in |
| Brush type | Disc |
| Brush speed | 150 rpm |
| Brush pressure | 60 lb |
| Tanks | |
| Solution tank | 16 gal |
| Recovery tank | 16 gal |
| Power | |
| Power | Battery (wet) |
| Voltage | 24 V |
| Build | |
| Noise | 69 dB(A) |
| Weight | 187 lb |
| Parts warranty | 5 years |
| Labor warranty | 2 years |
Alternatives in this size
Sunmax RT35
#6 in 17 in and upFull review
A mid-size battery scrubber for schools, offices and retail aisles that need a few hours of cleaning per charge at an import price.
Amazon $1,999$1,999
17 in9.2 gal2.5 h
Karhdir C5 18 in
#8 in 17 in and upFull review
A budget 18 in battery scrubber with big tanks, for small warehouses, gyms and shops. Runtime is not published and the motor warranty is one year.
Amazon $1,999$1,999
18 in11 gal
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