The Varta CR1220 Electronic Lithium 3V Battery is perfect for devices such as watches, calculators, cameras, computer equipment and more. It provides precise energy and high performance for your devices, making it a quality and reliable power source. The advantage of lithium batteries lie in their high energy density, high cell voltage and longer shelf life due to low self-discharge. Use Varta batteries to deliver the right energy for almost every need and for almost every device.