SureFire box of 24 SureFire 123A lithium batteries sf12-bboptimized for use in SureFire flashlights, SureFire lithium batteries pack a lot of power into a small package. And unlike alkaline batteries SureFire high-performance lithium batteries boast a ten-year shelf life, which means they will be ready when you need them, every time. Features:- high-performance batteries, optimized for high-drain use in flashlights- 10-year shelf life- wide temperature tolerance- built-in heat and fault (short-circuit) protection- made in the USA to SureFire specifications" Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.