With up to 78 minutes runtime on a single charge the BLACK+DECKER 36V POWERSERIES™ Extreme stick vac is engineered to help get jobs done quickly, easily and efficiently. This 4-in-1 stick vac has a powered anti-tangle beater bar that gives you a deep and powerful clean with less than 5% hair wrap and up to 80% more pick up on carpet*, leaving your home spotless.The three-speed settings allow you to vary your speed to suit the job at hand, use the high speed setting for a maximum deep clean, perfect for carpet. The transparent easy empty bowl allows you to pop the dirt out in one easy move keeping your hands clean of dust and debris. Part of the BLACK+DECKER 36V battery system. *compared to the BLACK+DECKER 18V MULTIPOWER vacuum cleaner