**EXPRESS SHIPPING IS NOT AVAILABLE FOR THIS PRODUCT** 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. SUREFIRE 123A LITHIUM BATTERIES are reliable, high-performance power sources designed to provide consistent and long-lasting power for a variety of devices. These batteries are lightweight and compact, and deliver dependable power in even the most extreme conditions. With a 10-year shelf life, these batteries are a great choice for any situation that requires reliable power. They offer peak performance and are a great choice for any device that needs reliable and consistent power. 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.The best 123A lithium batteries available, bar none123As outperform alkaline batteries10-year shelf life — they’re ready when you need themHigh-performance batteries, optimized for high-drain use in flashlights10-year shelf life makes SureFire 123As an excellent option for emergency power needsWide temperature tolerance prevents degradation when in use or when storedMade in the U.S.A. to SureFire specifications