The Duracell CR123A 3 Volt High Power Lithium battery is designed to provide reliable power to devices like home safety and security devices, high-intensity flashlights, home automation, and more. Duracell 123 High Power Lithium batteries are guaranteed for 10 years in storage, so you can be confident these batteries will be ready when you need them. From storm season to the holidays, Duracell is the #1 trusted battery brand.