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SureFire SF123A 3-Volt Lithium Battery-4-pack
Sure Fire High Performance Lithium Batteries
Sure Fire 123 A Lithium Batteries fit all SureFire Lithium battery powered lights.
Will work with any other device working on 123A 3V Lithium Battery
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.