The 2ct Energizer 2016 Lithium Coin Cell Batteries are reliable and long-lasting power sources for various consumer electronics devices. With a voltage of 3V and a battery size of CR2016, these batteries are perfect for use in watches, calculators, and other small devices that require a compact and efficient power source. Made with lithium chemical composition, these batteries offer a high energy density and a long shelf life, making them a practical choice for everyday use.