Jan 26, 2016 #1 martinaee Flashlight Enthusiast Joined Sep 16, 2012 Messages 1,495 Location Ohio Saw this on Youtube. Guy claims this "flashlight" he built output 90k lumens:
Jan 26, 2016 #2 nbp Flashaholic Joined Dec 16, 2007 Messages 10,976 Location Wisconsin Already being discussed here.