Dewalt 20v professional battery booster with battery boosting power, jump starting and charging abilities. up to 20 amps of boosting power. can jump start 8 cylinder vehicles in minutes. comes with 2: 3.1 amp usb ports to power up personal electronics. two powerful led lights for clearest view of the job. three button control panel with translucent main power button. led status indicator back lit main button provides job status. works with any dewalt 20v lithium battery packs. compact and lightweight design for ease of storage. one button battery boosting with led indicator. on board clamp and cable storage. dewalt battery pack not included.