Duracell Specialty 2450 Lithium coin cells are made from high-purity lithium and provide up to 40% more power for your specialty devices. They come with a shelf life guarantee of up to 10 years thanks to Duralock Power Preserve technology, ensuring that these lithium coin cells are ready to use when you need them. To ensure the safety of your children, they are designed with child-safe packaging: a tamper-proof double blister pack that a child cannot open without scissors. They are suitable for use in key fobs, small remote controls, scales, wearables, sensors, and medical devices such as blood glucose meters and digital thermometers, as well as sports equipment like heart rate monitors and bicycle accessories.