I bought a KSGER T12 3.1S several years ago for a project; but, never got around to using it.
I knew that I wanted to ground the case and possibly snip off a corner of the heatsink that sits over the primary. So, I finally opened it up today and noticed that I have an addition green wire that's soldered from the JST that supplies power to the control board. I haven't seen this in other pictures online and wanted to ask what this was: