Name: Sunmax RT35
Brand: Sunmax
Price: 1999.00 USD

A mid-size battery scrubber for schools, offices and retail aisles that need a few hours of cleaning per charge at an import price.

Price checked November 9, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros

Cons

The Sunmax RT family

Every Sunmax RT model we rank, smallest first. Ratings compare each against its own size.

Model	Path	Rating	Price
Sunmax RT35 (this one)	17 in	3.4/5	$1,999
Sunmax RT50 22 in	22 in	4.1/5	$2,299

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.

Cleaning
Model number	RT35
Cleaning path	17 in
Squeegee width	22 in
Maker productivity claim (not scored)	19,000 sq ft/h
Tanks
Solution tank	7.9 gal
Recovery tank	9.2 gal
Power
Power	Battery
Voltage	24 V
Runtime per charge	2.5 h
Build
Weight	132 lb
Parts warranty	2 years

A corded 17 in scrubber for floors near outlets, like kitchens, shops and small warehouses, where nobody wants to manage batteries.

$3,015

17 in13 galCorded

A 22 in battery scrubber with 18.5 gal of recovery, for warehouses and large open floors. Its battery runtime is not published.

$2,489

22 in18.5 gal

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.

$5,720

20 in16 gal