Black & Decker BHFEV362DP-QW 36V 2.0Ah 4-in-1 Cordless POWERSERIES Extreme™ Vacuum Cleaner Pet36V 2. 0Ah 4 in 1 Cordless POWERSERIES Extreme Vacuum Cleaner Pet Product Overview 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