Low Maintenance. Low Repairs. Cool Running. More Runtime. The DEWALT® Brushless Motor electronically controls energy transfer efficiently within the tool-allowing the tool to run longer between charges. Brushless motors deliver up to 57% more runtime versus standard brushed motors. Protecting workers. DEWALT® is dedicated to your safety without compromising on performance or DEWALT’s Guaranteed Tough®durability. Helping to protect the end user. DEWALT® Cordless Outdoor Power Equipment is powered by DEWALT's 40V MAX* Lithium Ion batteries. Gas performance. Guaranteed. Without the harmful gas emissions on your job.