UP TO 40% MORE SUCTION POWER** to help pick up debris and dirt 20V MAX* POWERCONNECT SYSTEM COMPATIBILITY: Works with BLACK+DECKER 20V MAX* Lithium-Ion Battery System (battery sold separately) MAINTAIN SUCTION POWER with help from 2-stage filtration CONVENIENT ON-BOARD STORAGE for included crevice tool DESIGNED TO EMPTY LESS OFTEN with extra-large dustbowl