I got a Klarus XT12GT. Nice little thrower and the 18650 included battery was a nice touch. I got a hankerin' for a headlamp as well so I received a ThruNite TH20. The neutral tint was on the warm side which is exactly what I wanted. Nice amber color and I really think this headlamp is going to...
You could buy 2 rechargeable lights for around 100 bucks each and always have one charging while you use the other one. This way, you would have full power for the entire shift.
Runtimes. The typical civilian thinking is that the longer the flashlight runs, the better it is. So if a 1 cell light runs for one hour and a 2 cell light runs for 2 hours, the civilian will buy the 2 cell light most of the time.
I just got a Klarus XT12GT. Great light but I haven't had it long enough to recommend it. You have some good lights to choose from. Check out EagleTac and ThruNite as well. Good luck.
If I had to get rid of all my lights except one, I would keep my Nitecore P12. Nice beam with some flood to it, but still can reach out 100 yards (I'm talking practical applications here). 4 levels of light that are spaced out fairly evenly. Lightweight enough to carry it around all day if you...
EagleTac T25C2 has lots of power, tailcap can be programmed for instant Strobe . Stainless steel bezel. Keep the head tightened and the light will always be in high mode.