Chronology of handlights: Maglite 6D back in the day, Fenix TK16L 1x 18650R, Indeo Lumipower 1x CR123. The Lumi is 500 lumens but super small, the TK is 1k lumens and strong enough for pretty much anything. Not pictured is a Pelican Super Saberlite 3x C I keep on my scene bag.