Duracell Lithium Coin and Button batteries provide reliable, long-lasting power for your specialty devices. They have up to a 10-year guarantee in storage so you can be confident these lithium coin button batteries will be ready when you need them. To help ensure the safety of your children, they have been designed with child-resistant packaging. Duracell Lithium Coin and Button batteries are great for devices like glucometers, calculators and car remotes. And you can be assured that theyre batteries you can trust because Duracell is the #1 trusted battery brand