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
3.0/5
A quiet 17 in battery scrubber for offices, hospitals and stores cleaned during open hours. Its tanks are small for the price.
- 17 inPath
- 6.6 / 6.6 galTanks
- Battery (AGM)Power
Check price at Amazon$4,838.80
Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Silent mode for cleaning in occupied spaces
- Onboard charger and sealed AGM batteries
- Five-year parts warranty
- Handle folds down for transport and storage
Cons
- Battery runtime not published
- Smaller 6.6 gal tanks than other 17 in machines
- High price for its size
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 | 50000580 |
|---|---|
| Cleaning | |
| Cleaning path | 17 in |
| Brush type | Disc |
| Brush speed | 140 rpm |
| Brush pressure | 41.8 lb |
| Tanks | |
| Solution tank | 6.6 gal |
| Recovery tank | 6.6 gal |
| Power | |
| Power | Battery (AGM) |
| Voltage | 24 V |
| Build | |
| Noise | 67 dB(A) |
| Parts warranty | 5 years |
| Labor warranty | 2 years |
Alternatives in this size
Viper AS5160
#7 in 17 in and upFull review
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.
Amazon $5,720$5,720
20 in16 gal
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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