The Rayovac Lithium 3-Volt CR2025 Coin Battery is perfect for your watches, calculators, remotes and medical devices. Designed to provide a combination of high energy and continuous voltage supply, these lithium coin batteries are ideal to use for toys, heart rate monitors, glucose monitors and other compatible electronic devices. They also have superior storage capacity and temperature resistance. Made with quality engineering and technology, these lithium coin batteries will last longer than silver-oxide batteries. MODEL: CR2025.