The Dewalt DCD805 is our latest and most powerful brushless 2 speed Hammer Drill Driver that delivers up to 90Nm of torque in a compact 177mm body, engineered to give you the greatest performance on the toughest jobsites. 2 speed and 15 torque settings give you the ultimate control over your drilling and fastening applications. An enhanced pivoting LED positioned on the foot offers greater visibility in dark and confined spaces. This set includes 2 x POWERSTACK 5AH batteries delivering 50% more power* with 50% more work per charge** and twice the lifetime*** of standard 5AH batteries.The DEWALT Powerstack DCBP518 5.0ah 18v Battery utilises pouch cells to give you greater productivity than before. Get 50% more power* enabling faster application speeds and increased productivity with more than 50% more work per charge** using this battery that works with all the 18V XR tools you already have.This DCBP518 battery provides twice the lifetime*** and features an impact-resistant, overmolded base with non-marring material.Powerstack battery technology - the most powerful, compact and lightest weight battery. The next dimension of power is now available in 5.0ah*vs. DEWALT DCB184 battery, not in application **Usable energy vs. DEWALT DCB184 battery, not in application ***Charge cycles vs. DEWALT DCB184 battery.FeaturesImproved Transmission which Supports the increased power levels Increased power and performanceReduced Length/More Compact, 13mm/6.6% shorter (DCD805vDCD796) which gives enhanced ergonomicsMore Power, Efficiency and Durability, 80% more power density v DCD796 giving increased power and faster application speedAn incredible 90Nm driven through the new/improved transmission. Designed to support the increase in power levelsErgonomic Grip Design which maximises user comfortEnhanced Electronics for improved performance, control and productivityPIVOTING LED which illuminates working areas and dark confined spaces.