Conquer all of your projects with ease, from the home to the garage to the yard with one battery. Our innovative eXchangeable Battery (XB) system can be used with over 20 products in the 40v/20v (13- 20V tools, 8 - 40V tools) Powerworks line. The smart XB battery automatically adjusts to the correct voltage when you change tools, giving you an edge on efficiency and run time. Compatible with the entire family of tools, the XB 40V/20V system provides you with the power and performance of gas, while delivering longer run times and versatility that works in the home, garage, and yard. Go Ahead and Get it Done. No Excuses.