Are cordless or corded electric drain augers better?

Cordless units like the 20V auto-feed snakes are praised in verified-purchase reviews for working anywhere without an outlet, which matters under a sink or in a basement, but they trade away some sustained torque and runtime. Corded 120V models give continuous power for longer jobs. For occasional household clogs, reviewers generally find a cordless or compact corded auger sufficient; for repeat heavy clogs, the larger drum machines win.