DEWALT XTREME 12-volt Max 1/4-in Brushless Cordless Impact Driver (Lithium Ion (li-ion) Batteries Included) in the Impact Drivers department at Lowes.com
DEWALT ATOMIC 20V MAX Cordless 3/8 in. Impact Wrench and 20V MAX Premium Lithium-Ion 5.0Ah Battery DCF923BWDCB205 - The Home Depot
DeWalt tool comparisons - Dewalt - Power Tool Forum – Tools in Action
DEWALT XR 20V MAX Lithium-Ion Cordless Brushless Screw Gun (Tool Only) DCF630B - The Home Depot