Surefire Sf123a Batt 65 Prs DisplayOptimized 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 flashlights Wide temperature tolerance Built in heat and fault (short circuit) protection 65 Pairs, Fish Bowl