CR1616 3V Lithium Manganese Coin Cell, 60mAh Continuing the long tradition of Japanese quality micro batteries with high performance and reliability For use in popular devices such as remotes, car keyfobs, medical devices, and wearables -30℃ to 70℃ Operating Temperature & excellent self-discharge performance UL Listed & ISO 9001/14001 Certified. RoHS Compliant 40+ years of technology development and manufacturing expertise. 364 SR621SW batteries are the perfect long lasting replacement for all your personal devices including keyfobs, blood sugar monitors, remote controls, digital thermometers, toys, calculators and more. Operating temperature: -10°C to +60°C (standard). Nominal Capacity: 18mAh