The DEWALT DCM5713 Cordless FlexVolt XR String Trimmer is fitted with a 54V brushless motor which delivers the equivalent performance of a petrol trimmer. The patented gear drive means that this trimmer maintains a high cut speed, even under load. Split shaft design for ease of shipping and storage. Fitted with a dual switching paddle with high/low speed and a lock off switch for improved control. It has an over moulded secondary auxiliary handle with protection bar for added comfort, grip and control. The enclosed, durable xenoy battery housing provides increased protection. DCM5713X1: 1 x 18/54V FlexVolt 9.0/3.0Ah Li-ion BatteryDCM5713N: Bare Unit, No Battery or Charger Specification: Line Cutting Speed: 0-5,100/0-5,500/min.Cutting Width: 38cmLine Diameter: 2mmLine Supplied: 7.5mTotal Assembled Length: 1.8mWeight: 6.