Up To 30% More Power! XR FLEXVOLT JUST GOT BETTER. The DeWALT FLEXVOLT 54V 125mm Brushless Angle Grinder Skin has up to 30% more power when used with a 9Ah battery than the DCG414N-XJ (DeWALT FLEXVOLT 54V 125mm Brushless Angle Grinder Skin). Delivers corded equivalent power with a no-load speed of 9000 rpm to deliver ultimate performance. Part of De - WALT's PERFORM & PROTECT product line with Kickback Brake & the Anti-Rotation E-CLUTCH System. Includes 9.0Ah Battery, Charger, TSTAK II Kitbox & Accessories. - Kit Includes: 1 x (DCB547-XE) DeWALT FLEXVOLT 54V 9.0Ah Li-Ion Battery XR FLEXVOLT is a range of 54V power tools that offer runtime & performance that has never been seen before - for the first time, professional tradesmen can reliably undertake heavy-duty construction applications without the need for mains power. This innovation means that you can have 54V power across a whole range of tools without the inconvenience of a cable. DeWALT XR FLEXVOLT is the only battery on the market that can switch from 54V to 18V, making it backward-compatible with your existing XR powertools. - Accessories: 1 x Side Handle 1 x Blade Spanner The electronic brake engages to quickly stop the wheel E-Clutch - Activates in less than a tenth of a second when a pinch/stall is detected, shutting down the motor Trigger Switch - Safety switch prevents accidental start up Brushless Motor - For long runtime & tool life XR FLEXVOLT Technology - Power of corded. Freedom of cordless - Specifications: Voltage 54 Volt Motor Type Brushless Max. Watts Out 2,300 W Max.