Nebo Einstein 1500
Nebo Mycro
The Einstein 1500 is pretty freakin' cool. I especially like that it's Red light is actually quite usable! Not just some piddly little single-digit number of lumens like most. Uses those rechargeable batteries (something like 18650's I think?) where the USB connector is right on the battery itself.
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If I want to keep it light, and it's just a day outing that doesn't require too much time on the hike-in / hike-out... I'll just bring two of the Nebo Mycro headlamps. (Two just in case ya get lucky before sundown, so ya have one for processing in the dark, and the 2nd one for the hike back out.)
The Mycro's, you can also just clip em onto your cap too. I'll bring it with when taking walks with the dog at night.
The Mycro's weigh like nothing. And if you're good about making use of the lower setting when you don't really need the high... if you don't end up having to process/debone a critter in the dark, just 1 can get ya in and back out to your vehicle no problem. Disclaimer: referring to about a 6mi trail-line for most of the way in and way out so ya don't need lotta brightness when en-route in the dark. If you're going thru raw terrain, it'll take more time. YMMV
For battery bank, using a Streamlight EPU-5200.
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SIDE NOTE: Make sure to take a sec to REALLY evaluate and look-at how the light is turned-on by the user, and steer clear of designs that could easily become accidentally turned-on when they're stuffed into your pack and perhaps something else in the pack is pushed up against it and somehow manages to accidentally turn it on. Some brands have real dumb engineering in that regard sometimes.