Free freight shipping to 48 contiguous states Deliver in 3-8 business days 2 year manufacturer warranty The SUNMAX RT50D+ is a 22-inch self-propelled lithium battery floor scrubber built for medium-to-large commercial hard floors. It scrubs, recovers water, and helps leave floors dry in one pass, making it a practical upgrade from mops, corded machines, or manual walk-behind scrubbers. With forward and reverse self-propelled drive, a 31-inch squeegee, 13.2-gallon solution tank, 14.5-gallon recovery tank, up to 5 hours of runtime, and a fast 3.5-hour lithium recharge, the RT50D+ helps cleaning teams cover more floor with less operator fatigue. Best for warehouses, schools, retail stores, gyms, workshops, showrooms, and other hard-floor facilities. Not designed for carpet.