Surefire SF2RCB SF123A Rechargeable Batteries CR123A 3V Lithium Phosphate Stick 2

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.