Be confident that your flashlight will work when you need it most with these Surefire 123a Lithium Batteries. They come in a convenient pack of 12 offering plenty to work with. These 3V lithium batteries boast up to a 10 year shelf life making them simple to store until you need them. They have a high-performance design that allows them to be used in high drain style flashlights. These high-performance lithium batteries are compatible with Surefire flashlights offering quality you can count on. They come in a box for convenient storage when not in use. The batteries are easy to install in your flashlights with both the positive and the negative charges clearly labelled.