The Panasonic’s Lithium Coin batteries have been designed to provide reliable and long lasting power, the high energy density of Lithium Coin batteries and their high nominal voltage of 3V make them ideally suited for use in all kinds of products where the trend is to achieve increasing miniaturization.  A long shelf life of up to 10 years. Reliable even in a wide range of operating temperatures (-30°C to+60°C). Wide range available on blister. Extensive cross reference table on the blister. No mercury added.