Duracell Lithium Coin batteries provide reliable efficient power for your devices like car key fobs remote controls thermometers wireless doorbells glucometers and many more. These batteries are guaranteed for up to 10 years in storage. Duracell has a tradition of investing in extensive development in features that can help keep children safe; our latest innovation is a non-toxic bitter coating on the cell designed to help prevent accidental ingestions. Duracell Lithium Coins also feature child-secure packaging which is nearly impossible to open without scissors. Power your specialty devices and protect your loved ones with Duracell.