Duracell 2016 lithium coin batteries are long-life guaranteed for your specialty devices. Duracell is the Number 1 battery brand in child security features thanks to the bitter taste ring on the cell and baby secure packaging with a double blister that is difficult to open without scissors. These cr 2016 lithium coin batteries are suitable for use in key fobs, small remotes, fitness watches and other wearables, scales, sensors, medical devices (glucometers, digital thermometers), sports devices (heart rate monitors, bike accessories). Lastly, with up to 10 years in-storage guarantee, you can be confident they will be ready when you need them. *Duracell 2032, 2025 and 2016 batteries have double secure system: double blister secure pack and bitter taste to help discourage accidental ingestion by children.