Duracell Lithium Coin CR 2450 3 Volt batteries provide reliable, long-lasting power for your specialty devices. These batteries are guaranteed for 10 years in storage, so you can rest assured they will be ready when you need them. To help ensure the safety of your children, they come in a child-secure package, which is nearly impossible to open without scissors. From storm prep to holiday needs, Duracell is the # 1 trusted battery brand.