Always Be Prepared. 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.

• The best 123A lithium batteries available, bar none
• 123As outperform alkaline batteries
• 10-year shelf life — they’re ready when you need them