The Energizer 357 Battery is a single-use, Silver Oxide coin cell battery with a voltage of 1.5V and an expiration date of 2023. It is ideal for low drain devices such as electronics, toys, and watches. With the brand known for reliability and quality, this battery is a practical and long-lasting power source for various applications. Made in the United States, this unit is sold individually or in packages of three to accommodate different usage needs.