SureFire SF123A 3 Volt Lithium Batteries Bulk Box 400 Cells. 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. Specifications for SureFire 123A Batteries: Manufacturer: SureFire Color: Red/Black Flashlight Model: All surefire lights that accept 123A lithium cells Condition: New Battery Type: 123A Features of SureFire 123A Batteries The best 123A lithium batteries available bar none 123As outperform alkaline batteries High-performance batteries optimized for high-drain use in flashlights 10-year shelf life makes SureFire 123As an excellent option for emergency power needs Wide temperature tolerance prevents degradation when in use or when stored Package Contents: SureFire 123A Batteries SureFire SF400-BULK: SF123A 3 Volt Lithium Batteries Bulk Box 400 Cells