(3 pack) SureFire CR123A Lithium Battery, 3V with 10-Year Shelf-life. High Performance Lithium Battery, 2 Pack

Always Be Prepared with SureFire 123A Lithium Batteries. 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

• Always Be Prepared with SureFire 123A Lithium Bateries. 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. Will work with any device that accepts CR123A, 123A, Lithium Batteries
• High-performance batteries, optimized for high-drain use in flashlights 
• SureFire high-performance lithium batteries boast a 10-year shelf life 
• Wide temperature tolerance 
• Built-in heat and fault (short-circuit) protection 
• SureFire 123A batteries generate 3 volts 
• For a given size (battery volume), Lithium batteries weigh about half as much as alkalines but produce more power 
• For a given size (battery volume), It would take two alkaline batteries to match the power output of a single SureFire 123A lithium battery 
• Maintains fairly constant voltage for up to 95% of its life, depending on discharge rate