The Hoof Boss Mobile holster is compatible with a DeWalt brand 20V rechargeable Lithium-Ion battery or a compatible replacement. The battery is NOT INCLUDED with the trimming set. 20V USA Model Numbers – DCB200, DCB201, DCB203, DCB204, DCB205, DCB206 The Trim–It–All has 10 abrasive discs and 2 chain discs. This set is recommended for the farmer or rancher that has a menagerie of animals. You can trim goats, sheep, pigs, donkeys, cows, horses and even llamas and alpacas. Battery Powered Hoof Trimmer: The Hoof Boss Mobile has the same benefits as the original Hoof Boss but with a more powerful motor which provides a faster and smoother trimming experience. This increased power overcomes any snagging and stalling when trimming hard, rough, cut-up hooves. The Trimmer includes a holster that can be worn on your belt, your apron or attached to your toolbox and connects to the trimmer using a retractable “center coil” feature that keeps the cord tout and out of the way when in use. The users own rechargeable battery found in standard power tools is inserted in the holster to provide power.