The Energizer Ultimate Lithium AA Batteries 12 Pack is a high-quality power source for a variety of devices. These batteries are designed for high drain applications, ensuring long-lasting, reliable performance. Made with lithium chemical composition, these AA batteries have a voltage of 1.5V and a unit quantity of 12. Manufactured in the United States, these batteries are perfect for use in consumer electronics and other devices that require consistent, reliable power. With an expiration date of 12-2050, you can trust that these batteries will power your electronics for years to come.