DEWALT 20V MAX Cordless 6.5 in. Sidewinder Style Circular Saw (Tool Only) DCS391B - The Home Depot
Milwaukee M18 FUEL 7-1/4 In. Cordless Circular Saw Kit
Makita 12V max CXT Lithium-Ion 3-3/8 in. Cordless Circular Saw (Tool-Only) SH02Z - The Home Depot
CRAFTSMAN V20 20-volt Max 7-1/4-in Brushless Cordless Circular Saw (Bare Tool) in the Circular Saws department at Lowes.com
Einhell TE-CS Power X-Change 18-Volt Cordless 6-1/2 Inch 4,200-RPM Circular Saw, w/Adjustable Angle + Depth, Saw Blade Included, LED Lamp, Tool Only (Battery and Charger Not Included) - Amazon.com