The Duracell CR1220 battery is a coin shaped lithium battery, which makes it quite a lightweight battery. Its compact size makes it easy to store away and it is designed to Duracell’s typically high quality standards of fast acting reliable and long lasting energy. It retains this energy for a long time so it can be stored away without taking too much space and whilst retaining its energy. The Duracell CR1220 is usable in many devices, most commonly used in devices such as calculators, battery powered watches and car key fobs for many popular brands.