Duracell(R) CR2 3V Lithium Batteries provide reliable and consistent performance for powering your device. In addition, they are designed for long lasting use for increased runtime. FEATURES: The Duracell CR2 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 CR2 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. POWER FOR A WIDE RANGE OF DEVICES: The Duracell CR2 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 more. LONG LASTING POWER: Duracell High Power CR2 Lithium batteries are designed and developed for reliable performance for your essential devices. GUARANTEED FOR 10 YEARS IN STORAGE: Duracell CR2 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. BUILT FOR RELIABLE PERFORMANCE in a wide range of high-powered devices, the CR2 is equivalent to 3 Volt CR17355, DLCR2, and ELCR2. #1 TRUSTED BATTERY BRAND: From storm season to medical needs to the holidays, Duracell is the #1 trusted battery brand.