The Energizer CR1216 Lithium Batteries are long-lasting coin cell batteries with a 3V voltage, ideal for low drain devices. With a chemical composition of Lithium Manganese Dioxide, these batteries have a storage capacity of 25mAh and an operating temperature range of -30C to +70C. Manufactured by Energizer and guaranteed for the longest expiry, these batteries are perfect for various applications such as sound and vision devices. At 0.6g in weight and with dimensions of 12.5mm diameter and 1.6mm thickness, these non-rechargeable batteries are reliable and efficient for your power needs.