The CR1220 Energizer Lithium Batteries are a high-quality, long-lasting power source suitable for a variety of low-drain devices. These coin cell batteries have a nominal voltage of 3V and a capacity of 37mAh, making them ideal for applications requiring a reliable and consistent power supply. With a chemical composition of Lithium Manganese Dioxide, these batteries offer a wide operating temperature range (-30°C to +70°C) and pressure contact terminals for easy installation. Manufactured by Energizer, these batteries have a shelf life of up to 12 years, making them a practical and efficient choice for powering your devices.