FeaturesEfficient BL鈩?Brushless motor is electronically controlled to optimize battery energy use for up to 50% longer run time per chargeThe BL鈩?Brushless Motor eliminates carbon brushes, enabling the BL鈩?Motor to run cooler and more efficiently for longer lifeThe electronically-controlled BL鈩?Brushless Motor efficiently uses energy to match torque and RPM to the changing demands of the applicationVariable 2-speed 1/2" Hammer Driver-Drill (0-500 & 0-2,000 RPM) with BL鈩?Brushless Motor delivers 530 in.lbs. of Max Torque; weighs only 3.6 lbs. with batteryHammer Driver-Drill features Extreme Protection Technology (XPT鈩? which is engineered to provide increased dust and water resistance in harsh job site conditionsVariable speed Impact Driver (0-3,400 RPM & 0-3,600 IPM) with BL鈩?Brushless Motor delivers 1,500 in.lbs. of Max Torque; weighs only 2.8 lbs. with battery18V Compact LXT庐 Lithium-Ion 2.0Ah battery BL1820B features an integrated L.E.D. battery charge level indicator18V Compact LXT庐 Lithium-Ion 2.0Ah battery BL1820B provides up to 50% more run time per charge*18V Compact LXT庐 Lithium-Ion 2.0Ah battery BL1820B reaches a full charge in 25 minutes or less18V Compact LXT庐 Lithium-Ion 2.0Ah battery BL1820B is compatible with 18V LXT庐 Tools