West Mountain Radio has picked up the former TGE W8XJK Boost Regulator.  For now, there is very little information on the West Mountain site and no pricing yet.  In fact, the only reference is in the QST advertising in the Nov 2019 QST that is pictured above in this post's images.  There is also an image of the original OLD TGE Boost Regulator and an image of the NEW West Mountain version.  Also, one of the West Mountain Quarterly "newletters" linked at the bottom of their home page as "Quarter 3, 2019" has an article aboue the history of the W8XJK Boost Regulator beginning on page 7 where they discuss the history and what they are now going to be selling (which is basically the same Battery Booster with their own improvements).  The direct link to this newsletter and article beginning on page 7 is below in place of the "Item webpage" since they don't yet have a page with the description and pricing on their site yet.  No information yet on availability.