362 SR721SW 1.55V Silver Oxide Button Cell Watch Battery, 25mAh 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 -10℃ to 60℃ Operating Temperature & excellent self-discharge performance Made in Japan, 0% Mercury. RoHS Compliant 40+ years of technology development and manufacturing expertise. These 362 SR721SW 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: 25mAh.