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
The Karhdir RO850 22 in is the better floor scrubber overall, rated 3.5 to 3.1. The Karhdir RO850 22 in leads on cleaning path, warranty and recovery tank. The Karhdir C5 18 in costs $490 less ($1,999 vs $2,489).
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.
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
Which should you buy?
- Choose the Karhdir RO850 22 in for cleaning path (22 in cleaning path vs 18 in cleaning path), warranty (2-year parts warranty vs 1-year parts warranty) and recovery tank (18.5 gal recovery tank vs 11 gal recovery tank).
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 | Karhdir RO850 22 in | Karhdir C5 18 in |
|---|---|---|
| Overall rating | 3.5/5 | 3.1/5 |
| Value 30% | 67 $113.14 per inch of path ($2,489, 22 in) | 68 $111.06 per inch of path ($1,999, 18 in) |
| Cleaning path 20% | 85 22 in cleaning path | 54 18 in cleaning path |
| Recovery tank 15% | 100 18.5 gal recovery tank | 89 11 gal recovery tank |
| Runtime 15% | 0 battery runtime not published, scored as zero | 0 battery runtime not published, scored as zero |
| Noise 5% | 50 sound level not published (neutral score used) | 50 sound level not published (neutral score used) |
| Warranty 15% | 25 2-year parts warranty | 0 1-year parts warranty |
Specifications
| Karhdir RO850 22 in | Karhdir C5 18 in | |
|---|---|---|
| Cleaning | ||
| Cleaning path | 22 in | 18 in |
| Squeegee width | 31.5 in | 24 in |
| Brush speed | - | 200 rpm |
| Maker productivity claim (not scored) | 32,000 sq ft/h | 24,000 sq ft/h |
| Tanks | ||
| Solution tank | 15.9 gal | 10 gal |
| Recovery tank | 18.5 gal | 11 gal |
| Power | ||
| Power | Battery | Battery |
| Build | ||
| Weight | 300 lb | 166 lb |
| Parts warranty | 2 years | 1 year |