Duracell CR-2450 lithium button cell 3V

Special 2450 lithium button batteries from Duracell are batteries you can trust. They are reliable and long-lasting and are most commonly used to power medical devices (blood glucose meters, heart rate monitors), security-related devices (bank card readers) and other electronic devices (watches, clock radios, pedometers and others). Duralock technology maintains the battery's power for up to 10 years when stored.