Makita 40V Max XGT Brushless Cordless 7-1/4 in. Circular Saw Kit, AWS Capable (4.0Ah) with bonus 40V Max XGT 4.0Ah Battery GSH01M1-BL4040 - The Home Depot
Makita 18 Volt X2 LXT Lithium-Ion Brushless 7-1/4 In. Cordless Circular Saw Kit - Thomas Do-it Center
Makita HS004GM202 Cordless Circular Saw 190 mm 40V max 4.0Ah Li-Ion
40V max XGT Brushless Cordless Rear Handle 10-1/4" Circular Saw Kit, AWS Capable, 4.0Ah - White Cap