Updated: Found what I needed. Thanks for the replies!
If you have one in good condition, I’m interested! From this Parametrek link it seems all the smallest 16340 lights are discontinued, unavailable, etc
http://flashlights.parametrek.com/index.html?battery=1x16340&length=\_,56
I have an E16 and would like a backup but also interested in others.
Edit: Parametrek link doesn’t work. Parametrek Flashlights