The Dewalt DCG409 125mm Angle Grinder is part of the Dewalt FLEXVOLT ADVANTAGE range, featuring an upgraded brushless motor and electronic module designed to deliver maximum power when used with XR FLEXVOLT batteries. DCG409 Features 18V Improved Brushless Motor for extended power Upgraded Electronic Module Components allows for additional motor power Full compatibility with 18V XR batteries and all XR Flexvolt batteries High Capacity FV Battery Packs can be detected by the machine and deliver unprecedented and different power levels, up to 70% more power: 5Ah – 960W > 6Ah = 1550W > 9Ah = 1650W (internal tests) E-Brake E-Clutch provide end user with class leading safety protection features 1-Touch Guard System allows for quick and easy guard adjustments without need.