Optimized%20for%20use%20in%20SureFire%20flashlights%2C%20SureFire%20Lithium%20batteries%20pack%20a%20lot%20of%20power%20into%20a%20small%20package.%20And%20unlike%20alkaline%20batteries%20SureFire%20High-Performance%20Lithium%20Batteries%20boast%20a%20ten-year%20shelf%20life%2C%20which%20means%20they%20will%20be%20ready%20when%20you%20need%20them%2C%20every%20time.%20For%20all%20SureFire%20Lithium%20battery%20powered%20lights%0A%0A%0A%0A%0A%0A%0A%0A%0AFeatures%0A%0A%0A%0A%0A%0A%0AHigh-performance%20batteries%2C%20optimized%20for%20high-drain%20use%20in%20flashlights%0A10-year%20shelf%20life%0AWide%20temperature%20tolerance%0ABuilt-in%20heat%20and%20fault%20(short-circuit)%20protection%0AMade%20in%20the%20USA%20to%20SureFire%20specifications%0AMore%20Voltage%3A%20SureFire%20123A%20batteries%20generate%203%20volts.%20Alkalines%2C%20just%201.5%20volts.%0ALess%20Weight%3A%20For%20a%20given%20size%20(battery%20volume)%2C%20Lithium%20batteries%20weigh%20about%20half%20as%20much%20as%20alkalines%20but%20produce%20more%20power.%0AHigher%20Power%20Density%3A%20For%20a%20given%20size%20(battery%20volume)%2C%20It%20would%20take%20two%20alkaline%20batteries%20to%20match%20the%20power%20output%20of%20a%20single%20SureFire%20123A%20lithium%20battery.%20Spares%20Carrier%20is%20not%20included%20(Sold%20Separately)