Snapper XD SXDWM82 82V 21-Inch Cordless Walk Mower – Battery & Charger Not Included. The Snapper XD 82-Volt 21″ walk mower powered by Briggs & Stratton offers a powerful, durable and reliable battery powered tool that delivers on performance. Industry’s first 82V lithium ion walk mower powered by Briggs & Stratton is built for durability with its 21″ steel deck. This quiet walk behind mower is easy to use with a single lever height adjustment allowing you to choose from 7 different cutting heights. Vertical storage capabilities saves up to 70% of storage space. Easy start and less maintenance with the Briggs & Stratton 2.0Ah or 4.0Ah lithium-ion battery (not included, sold separately). Mow through your yard work with ease with this wireless, environmentally friendly walk mower.