Nobody knows better than you that improving the productivity and efficiency of an entire team can save you time and money. When you go cordless with the Hoover HVRPWR™ 40V battery system, your team has the swap-and-go flexibility to seamlessly recharge and replace batteries among multiple uprights and backpacks without slowing down. Battery Type: Li-Ion; Battery Size: Battery Pack; For Use With: Hoover 40V Commercial Products CH93619, CH95519, CH97019; Voltage: 40 V.