DEWALT ATOMIC 20V MAX Lithium-Ion Cordless 1/4 in. Brushless Impact Driver Kit, 5 Ah Battery, Charger, and Bag DCF850P1 - The Home Depot
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.
DEWALT Xr 20-volt Max Variable Speed Brushless 1/2-in Drive Cordless Impact Wrench (Battery Included) in the Impact Wrenches department at Lowes.com