40+ years of technology development and manufacturing expertise. These 319 SR527SW 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: 22.5mAh Additional Details ------------------------------ Product description: 40+ years of technology development and manufacturing expertise. These 319 SR527SW 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: 22.5mAh