Wahl KmSupera Pro Pet 2-Speed Cordless Clipper. With the launch of the KM Supera, Wahl is bringing powerful convenience to our groomers. With interchangeable batteries and a new, patent-pending technology, the KM Supera aims to make the daily life of a groomer a little bit easier. Balanced, lightweight, and designed to power through your busiest days. NEW #10 Prime Series Blade. Patent pending LOCKGUARD technology. Lightweight, center-balanced design. Perfect for professional groomers. Designed for Dogs, Cats and Horses. Includes two removable lithium-ion batteries with up to 3 hours of run time per battery. For a wider blade version, opt for the KM Supera Equine.