Become a MacRumors Supporter for $50/year with no ads, ability to filter front page stories, and private forums.
Interesting...

I didn't think anyone besides Apple was licensed to make a Mag-Safe plug? Anyone else have any data on this item?

EDIT Ah, I see. It's probably something similar to what's described in this article.
 
I have the original one that came with my battery. It doesn't charge my MacBook Pro, but it does work quite well.
 
Register on MacRumors! This sidebar will go away, and you'll see fewer ads.