OBO Works perfectly. No issues. Used for 3 properties only for about a year. No longer need. Uses cord.

Tennant/Nobles FM-20-SS 20" Low-Speed Floor Machine – heavy-duty, commercial-grade floor buffer/scrubber built for multipurpose cleaning. Great for scrubbing, stripping, shampooing carpets, polishing, and general floor maintenance on tile, concrete, vinyl, and other hard surfaces. Reliable 20-inch cleaning path, durable construction, and ideal for janitorial, commercial, warehouse, office, and rental use. Powerful, versatile, and made for tough jobs.