SureFire 123A Batteries Red/Black 3.0 Volts 1,550 mAh (12) Single Package Clamshell SF12ABBCS

Optimized for use in SureFire flashlights, SureFire high-performance lithium batteries pack a lot of power into a very small package. And unlike alkaline batteries, SureFire provide a 10-year shelf life, which means they will be ready when you need them, every time. Trust in the power and durability of SureFire lithium batteries