Stanley SFMCG700M2K Brush Grinding Machine With improved battery technology, no memory effect and minimal self-charging, the V20's Li-ion battery is ready to go wherever you are, wherever you are, wherever you are, and where you'll be working longer. Using a brushless motor, you get better power and longer runtimes by using less , more compact motor with limited maintenance and longer life. Strong motor provides up to 8000 rpm Electronic brake must be such that the disc can be stopped in 3 seconds. Side handle must be simple and hand controlled, with built-in service key .Keyless safety housing with latch makes desperate wheel swapping easier.Knob switch for tool control and use.Intensive continuous work lock button 65% more power than STENLIO ® FATMAX ® brush grinders.EquipmentBattery 4.0Ah 2 pcs.ChargerSide holderTra nsport suitcase