SureFire Kroma Flashlight
I am not sure the last time that I needed to have my flashlight on for 3 days straight but I am sure it will be useful at some point in my future adventures. The SureFire Kroma Flashlight lasts for an incredible 80 hours while only weighing in at 5oz. Using 3 colors of LEDs and 2 power settings you can use this weather resistant flashlight in whatever situation you need light, be it for preserving night vision while navigating, tracking, or map reading; or for negotiating outdoor terrain without disturbing wildlife. Did I mention its pretty much indestructible as well?
$330 BUY IT!