Cordless angle grinders powered by 18V Li-ion battery, and equipped with highly enhanced Brushless DC motor. A built-in controller changes the cutting speed automatically according to load condition, enabling users to obtain high speed rotation on light duty application/ high torque on heavy duty application. Includes a quick change flange nut. Amazing super fast tool less change over seconds! Enabling the user to change a worn disc to a new disc without any tools. Saving you time and money! Automatic Speed Control: Automatically changes the cutting speed according to load condition for optimum operation High power motor Anti-restart function. Soft start feature. Battery fuel gauge Rubberised soft grip. Electronic current limiter for overload protection. Slide switch conveniently located for one hand operation. Bare Tool - No Battery or Charger Included