Duracell Specialty 2025 lithium coin batteries are made with high-purity lithium with +70% extra life (*vs. Service Output IEC standard test minimum average duration for2025 Lithium Coins. Results may vary by device and usage patterns.) for your specialty devices. They have up to 10 years of in-storage guarantee so you can be confident these lithium coin batteries will be ready when you need them. To help ensure the safety of your children and discourage swallowing, Duracell has developed the Baby Secure Technology, a bitter taste layer applied on the back side of the cell, and has designed a Baby Secure pack, tamper-proof pack with double blister so that it is impossible for a child to open without scissors. They are suitable for use in keyfobs, small remotes, scales, wearables, sensors, medical devices (glucometers, digital thermometers), sports devices (heart rate monitor, bike accessories). Features and benefits:Duracell 2025 lithium coin batteries are suitable for use in keyfobs, small remotes, scales, wearables, sensors, medical devices (glucometers, digital thermometers), sports devices (heart rate monitor, bike accessories)Baby Secure Technology: A non-toxic bitter taste ring-shaped layer with Bitrex applied on the back side of the cell to discourage swallowing from babies and toddlers.Duracell 2025 lithium coin batteries: +70% extra life (*vs. Service Output IEC standard test minimum average duration for2025 Lithium Coins. Results may vary by device and usage patterns.)Tamper-proof packing: With double blister to avoid accidental opening - can only be opened with scissorsDuracell 2025 lithium coin batteries use high-purity lithiumGuarantee for 10 years in storageDuracell lithium coin batteries are available in 1220, 1616, 1620, 1632, 2016, 2025, 2032, 2430 and 2450 sizesPackaging may vary