Wahl's Bravura Lithium combines the power and durability of lithium ion battery innovation and the unsurpassed cutting performance of the adjustable 5-in-1 blades to give professionals the power they need in one quiet, lightweight cordless clipper. The Bravura Lithium is designed for long run times of 90 minutes and operates at full speed until the battery is completely depleted. With a quick full charge time of 60 minutes and the ability to use the clipper as a corded unit while charging, groomers need never worry about lost clipping time.