- New with detachable battery so you never run out of cutting time, this heavy duty, detachable blade clipper is now in a cordless design and delivers a 2-hour run time on a 2-hour charge. Lithium-ion power mated with powerful rotary motor to cut any hair type – wet or dry. Supra ZR has 5 speeds: Adjustable from 1,800 to 3,800 strokes per minute. Comes with a 000 Ceramic blade so it will run cooler and stay sharper for longer. It is compatible with all UltraEdge and CeramicEdge blades.