Poorly performing FandyFire STL-V6

Hi,

May be going a little off-track, but I just found this:

Also, if you look at post #49 in the same thread:

“willie” says:

Sounds like my situation?

I guess I’m getting to the point of wonder: Exactly WHAT light did I get? If it’s not a FandyFire ST-V6, then what is it?