I used to use a large, heavy, re-chargable Mag Lite flashlight when coyote hunting at night. It was very bright, very heavy and bulky. Then I picked up a Streamlight TLR-1 LED weapon light. 135 lumens, 2 1/2 hour run time. With a red filter mounted on the front, it is now mounted on my favorite coyote rifle, and works great. Can't get over how bright it is, compared to the older generation led bulbs that require multible bulbs for so so light output. I also have several LED lites that clip onto your hats visor, and they work great for walking out of the woods at night, while leaving your hands free.
Larry