Made for professional use, the 60V MAX* 20 in. 5.0Ah Brushless Cordless Chainsaw features peak horsepower of 4 HP using a DCB615 battery. Designed for consistent high-level performance, this Chainsaw features tooled chain tensioning for reliable bar retention. Its brushless motor delivers expert-grade efficiency with auto-oiling for continuous lubrication. The unit"s bar and chain were engineered for low kick back for a range of outdoor cutting applications, and its chain brake offers added kick back protection.