Duracell Lithium Coin batteries provide reliable long-lasting power for your medical electronic security and other compatible devices. These batteries are guaranteed for 10 years in storage so you can be confident they’ll be ready when you need them. Duracell s 20mm lithium coin batteries have more child safety features than other leading brands. Its latest innovation is a non-toxic bitter coating on the cell that is designed to help discourage swallowing. Duracell Lithium Coin batteries also feature child secure packaging which makes it nearly impossible to open with bare hands. From storm season to medical needs to the holidays Duracell is the #1 trusted battery brand. • BITTER TASTE HELPS DISCOURAGE SWALLOWING: Duracell Lithium Coin batteries are the only batteries with a non-toxic bitter coating to help discourage swallowing. • CHILD-SECURE PACKAGING makes Duracell Lithium Coin battery packaging nearly impossible to open without scissors. • LONG-LASTING BATTERIES DESIGNED FOR DEPENDABILITY: Duracell Lithium Coin Batteries deliver the long-lasting power and performance you can count on for electronic devices throughout the home or on-the-go. • RELIABLE POWER: The Duracell 2016 3V Lithium Coin battery powers both everyday and essential home devices including key fobs remote controls glucose monitors thermometers and many more. • GUARANTEED FOR 10 YEARS IN STORAGE: Holds power up to a decade in storage so you can be confident these batteries will be ready when you need them. • Safety Data Sheet. • Sold as 1 Each.