Energizer 2025 lithium coin batteries provide reliable, long lasting power for your important devices. These lithium 2025 batteries perform in extreme temperatures ranging from -22 degrees Fahrenheit to 140 degrees Fahrenheit for dependable power, even in the toughest conditions. Ideal for use in calculator, key fobs, or for remotes. Also an ideal power source for your keyless entry system, toys, and games. Lasting up to 10 years in storage, these lithium batteries provide reliable power when you need them. Energizer packages its lithium coin batteries in child-resistant packaging, designed to help keep kids safe from ingesting them.