DEWALT 20V MAX Impact Wrench, Cordless 2-Tool Combo Kit, 1/2-Inch Mid-Range and 3/8-inch Compact with 5ah Battery and Charger (DCK205P1) - Amazon.com
Dewalt 20V Cordless Impact Dirll DCF850 Brushless Motor 1/4-Inch Electric Screwdriver 205NM Wirless Rechargeable Power Tool
DEWALT DCF899P2-20V MAX* XR Brushless High Torque 1/2" Impact Wrench Kit w/Detent Anvil Maximum initial battery voltage (measured without a workload) is 20 volts. Nominal voltage is 18.