The Andis Supra Li 5 Adjustable Blade Clipper contains lithium-ion power that delivers up to 2 hours of sun time on a single charge. The 5-position adjustable blade has a snap-off design for easy replacement Lightweight and ergonomic shape for comfort and control. Rotary motor power with cord/cordless convenience. 5-position precision blade adjusts from 0000 to 1 and easily snaps off for quick cleaning and replacement. Lithium-ion battery delivers over 2 hours of non-stop run time; charges in as little as 90 minutes.