Additional Details ------------------------------ Product description: Compact and powerful product benefits a full line up for use in a wide variety of applications can be used in a wide range of temperatures (-30°C to +60°C) Self-discharge is very low; long shelf life of up to 10 years High voltage (3V) No mercury added. Very stable Even after 10 years, Panasonic lithium coin CR2412 batteries still have 90% of their original capacity. Due to the combination of lithium and manganese dioxide, they are chemically very stable, which results in very low self-discharge. We have verified the long-term discharge at all operating temperatures under low-load discharge conditions.