Battery power is made easy with the 120i. This efficient battery-powered saw features an efficient brushless motor for increased efficiency and reliability. Youll also enjoy easy starting with the intuitive keypad and tool-less chain tensioning for easy maintenance. And the ergonomic design and reduced vibrations keep this saw comfortable to use all day long. And with the included QC80 charger and BLi22 battery, you can get to work right away.