Of course the main advantage of a power lead is (hopefully) none of that panic-mode trying to defeat auto-shut off timer as VG dribbles down at the speed of snot.
probably similar mechanism inside but looks sturdier, also the USB lead that Lostmarbles
mentioned means no need for regional plug if imported from US. (or just power from a laptop)
I think its a good find… I would buy
if i didn’t have 3 scales already