DEWALT XR POWER DETECT 20-volt Max 7-1/4-in Brushless Cordless Circular Saw Kit (1-Battery & Charger Included) in the Circular Saws department at Lowes.com
DeWalt DCS575 FlexVolt 60V Max Cordless Brushless 7-1/4" Circular Saw
Amazon.com: DEWALT 20V MAX 7-1/4-Inch Circular Saw with Brake, Tool Only, Cordless (DCS570B) : Everything Else