ASP CR123A 3V Lithium Primary Button Top Photo Battery - Box of 50Potent, Reliable PowerKeep your LED flashlight, digital camera, and other high performance devices running smoothly with this 50-pack of ASP CR123A 3V Lithium Button Top Batteries. These powerful cells are specifically designed for use in ASP's impressive line of high-powered LED flashlights, but are also perfect power sources for digital cameras, medical devices, and other electronics. The long-lasting batteries use a powerful but stable Lithium Manganese Dioxide chemistry, which allows them to output 3 Volts of power while giving your device extensive runtime. The sophisticated cells are designed with a number of helpful protections to ensure safe use and feature a lengthy 10-year shelf life, allowing you to store them at home or at the office as a reliable replacement power source for your high-performance devices.Features: Designed for use in LED flashlights, cameras, medical devices, etc. PTC (Pressure, Temperature, Current) protected Special relief vent for lowering pressure if batteries begin to overheat Leak-proof and vibration-resistant Specifications: Battery Size: CR123A Battery Count: 50 Individual Batteries Battery Chemistry: Lithium Primary (Non-Rechargeable) Battery Sub-Chemistry: Lithium Manganese Dioxide (LiMnO2) Nominal Voltage: 3.0V Shelf Life: 10 Years Dimensions: Length - 1.35" (34.3 mm) Diameter - 0.67" (17.0 mm) Weight: 0.58 oz. (16.4 g)