Always Be Prepared. Optimized for use in SureFire flashlights SureFire 123A high-performance lithium batteries pack a lot of power into a very small package. And unlike alkaline batteries SureFire batteries have 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 batteries.

Features: 

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