If you don't want to be hindered by an (extension) chord, a battery-powered circular saw would be the smart choice. You can use a battery-powered circular saw everywhere, even if there's no power source nearby. Of course, you do have to regularly recharge a battery.

DeWalt DCS572NT-XJ (without battery)
DeWalt DCS572NT-XJ (without battery)
Our choice for a plunge circular saw to start in the middle if your workpiece|Plunge saw |Maximum cutting depth 58 mm|Suitable for hard wood, Laminate, MDF, Wood

236,-

Delivered tomorrow

DeWalt DCS570NT-XJ (without battery)
DeWalt DCS570NT-XJ (without battery)
None plunge saw|Maximum cutting depth 64 mm|Suitable for MDF, Plastics, Wood

218,-

Delivered tomorrow