JRL Professional FreshFade 2020C hair clipper with powerful lithium-ion battery works as hard as you do. The clipper has a running time of 4 hours on a full charge. It fully charges is 3 hours. The revolutionary cool blade technology keeps the blade cool to the touch even after extended use. The Smart Clip technology provides constant power and prevents the clipper from dragging or stalling. The JRL 2020C comes with 10 guide combs.