SureFire SF123A 3-Volt Lithium Battery-4-pack
Optimized for use in SureFire flashlights, SureFire Lithium batteries pack a lot of power into a small package. And unlike alkaline batteries SureFire High-Performance Lithium Batteries boast a 10-year shelf life, which means they will be ready when you need them, every time.For all SureFire Lithium battery powered lights.