The 20V MAX XR Brushless 1 in Rotary Hammer is a high-performance drill powered by a brushless motor and a durable German-engineered mechanism, delivering 2.1 Joules of impact energy. The lightweight design makes this tool ideal for rod hanging, seismic and safety attachments, cable tray and strut mounting, clamp mounting, and rail mounting. It is part of the PERFORM and PROTECT™ product line, integrated with the SHOCKS ACTIVE VIBRATION CONTROL System, and becomes OSHA Table 1 Compliant when used with the DWH303DH On Board Extractor. This kit includes our most powerful battery in its class, the 20V MAX* DEWALT POWERSTACK™ 5.0 Ah battery utilizing revolutionary pouch cell technology to deliver 50% more power, 50% more work per charge, and 2X the lifespan. The DEWALT DCBP520 is compatible with all 20V MAX* tools and chargers.