This power saw is battery-powered,, so no need to bother with cords and such. It has a voltage of 18 volts and weighs 3.6 kg, so it's not that heavy to carry around.
From Data Powertools
DeWALT DCS570N-XJ Brushless 18v Circular Saw Bare Unit
ITS
Dewalt DCS570N 18V XR 184mm Brushless Circular Saw - Body
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