Duracell CR123A 3V Lithium Battery, 12 Count Pack, 123 3 Volt High Power Lithium Battery, Long-Lasting for Home Safety and Security Devices, High-Intensity Flashlights, and Home AutomationPOWER FOR A WIDE RANGE OF DEVICES The Duracell 123 3 Volt High Power Lithium battery is designed for use in a variety of compatible devices like wireless security systems, home automation, photography and lighting equipment, and moreLONG-LASTING POWER Duracell high power CR123A Lithium batteries were also developed to provide reliable performance for essential devices like compatible smoke detectors and fire alarmsGUARANTEED FOR 10 YEARS IN STORAGE 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 themBUILT FOR RELIABLE PERFORMANCE in a wide range of high-powered devices, the CR123A is equivalent to 3V CR17345, DL123, and EL123 battery types and available in 1-, 2-, 4-, 6-, and 12-count packs#1 TRUSTED BATTERY BRAND From storm season to medical needs to the holidays, Duracell is the #1 trusted battery brandProduct informationProduct Dimensions0.7 x 7.75 x 4.5 inchesItem Weight8 ouncesItem model number5009569Batteries12 CR123A batteries required. (included)