DeWalt Atomic 20V MAX Lithium-Ion Cordless Brushless 1/2″ Variable Speed Impact Wrench + (2) 20V Premium 5Ah Batteries + Free Shipping $199 Thumb Score: 0 The Home Depot [homedepot.com] has DeWalt Atomic 20V MAX Lithium-Ion Cordless Brushless 1/2" Variable Speed Impact Wrench + (2) 20V Premium 5Ah Batteries on sale for $ 199. Shipping is free. Slickdeals Hot Deals Forum