Circular saw compact 4-1/2 ', 420 W - - Amazon.com
GALAX PRO DC-20V 5-1/2” Cordless Circular Saw with 2Pcs Blades (18T+48T), 3800RPM Variable Speed, Includes 2.0Ah Lithium Battery and Fast Charger, Max Cutting Depth 1-5/8”(90°), 1-7/16”(45°) - - Amazon
Makita DHS680Z 18V Li-Ion LXT 165mm Brushless Circular Saw - Batteries and Charger Not Included : Amazon.co.uk: DIY & Tools
Einhell TE-CS 18/190 Li BL Solo Power X-Change Cordless Circular Saw : Amazon.de: DIY & Tools