Custom 1/6 Light Sabers or AC Powered Light Sabers???? anyone know much about them?

[bomber5]

Hi,
im after information about the custom light sabers you see on you tube etc. some have AC adapters that constantly power the LED and they are really bright!
does anyone know where I could get a darth vader and luke skywalker light up saber from?
thanks

 

[McHaleyArt]

Here:
https://www.sideshowcollectors.com/forums/showthread.php?132288-Cold-Cathode-Sabers-are-cool!