Black + Decker 20v Max Matrix Drill/Driver is a part of the Matrix Quick Connect System. It has a powerful 20v MAX motor which provides enough power for a full range of applications & attachments, and a 3/8-inch chuck. It features a lithium ion battery – Always Ready, holds a charge up to 18 months. This drill/driver is compact and lightweight design that allows users to carry out drilling/driving tasks in confined spaces and with ease. Part of the 20V MAX System – A System that Demands Attention. Includes: (1) 20V MAX Power Unit, (1) Drill/Driver Attachment, (1) 20V MAX Lithium Ion Battery, (1) 20V MAX Charger, and (1) Double Ended Bit Tip.