#1 brand in hand vacs** Optimal performance - 20V Max* lithium ion battery provides high power suction and performance Cordless convenience - portable, rechargeable, + lightweight for use around your home and in your vehicle Up to 40% more suction power*** to help pick up debris and dirt Removable battery - part of the Powerconnect system designed for minimal down time with no plug in charging (additional batteries sold separately) Maintain suction power with help from 2-stage filtration On-board storage - keep the crevice tool close to quick clean ups