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 Basic Pig Hoof Trimming Set is designed for the owners who self-trim their own animals. This tool set is ideal for maintaining a small number of animals trimmed on a regular schedule. The Trimming Set includes an easy-to-use battery powered 20 volt trimming tool, Hoof Boss Mobile, two tungsten carbide abrasive trimming discs and two 50-grit flap disc sanding discs. The basic set contains all the trimming discs required to meet your basic trimming and hoof maintenance needs for adult pigs. The Blue Medium Grit Flat Disc is used to trim the sole and hoof wall area with the Green V-groove Flat Disc being called into use to trim between the toes. The 50-Grit Flap Sanding Discs are used to trim the dewclaw and shape the hoof. The Hoof Boss Trimmer is ergonomically designed to help ease the wrist and hand pain associated with trimming your pets' hooves with hand shears, and it is easily operated with one hand leaving the other hand to wrestle that animals' ever moving leg. The Hoof Boss Mobile uses a Dewalt 20Volt Lithium Ion battery, seated in a holster that's connected to the Hoof Boss with a short unobtrusive cord. (Battery and charger not included.)