serving as a good DNA snatcher, so there should be no doubt by now as to the intended professional tactical use of this flashlight and its indicative performance during practical deployment. A singular 18650 battery which powers this flashlight comes included and is rechargeable, offering up to 40 hours of running time. Alternatively, you can run it on two CR123A batteries, or even three AAA-sized _Website not available. Sign in: https://www.twine.net/signup_…serving as a good DNA snatcher, so there should be no doubt by now as to the intended professional tactical use of this flashlight and its indicative performance during practical deployment. A singular 18650 battery which powers this flashlight comes included and is rechargeable, offering up to 40 hours of running time. Alternatively, you can run it on two CR123A batteries, or even three AAA-sized _Website not available. Sign in: https://www.twine.net/signup_WWWW…