Surefire SF6BC CR123A High Performance 3v Lithium 1500 mAh 6 Pack

SureFire lithium batteries pack a lot of power into a small package, and they are optimized for use in SureFire flashlights. These 123A 3V high-performance lithium batteries boast a 10-year shelf life, so they'll be ready when you need them, every time.