Lithium-Ion technology: no memory effect, no self-discharge and always ready for use ACTIVCELL™: Patented intelligent battery and tool interaction, for maximum performance and battery protection Digital brushless motor: More power, more efficiency and 10x longer lifetime Anti-slip soft grip for more user comfort When attaching a battery with the switch in on-position, restart protection ensures that the tool does not start automatically Soft start for gradual run-up to maximum speed without kickback SKIL ‘XP’: Exceptional performance through high specifications, advanced brushless motor and industry-leading battery technology KEEPCOOL™: The patented battery cooling technology that ensures up to 25% longer run time and 2x the lifetime Side handle with ‘VRS+’: A unique and superior vibration reduction system PWRCORE 20™: Industry-leading advanced battery technology, to power all SKIL ’20V Max’ tools Three side handle positions for optimal grip in all applications Safety guard with ‘Clic’ system can be adjusted to every working situation in seconds Spindle lock for easy accessory change Overload protection protects the motor