The Eveready AA AAA Zinc Carbon Batteries are a reliable and long-lasting power source for various devices. These super heavy-duty batteries are manufactured in the United States and come with the longest expiry date, ensuring that they will provide consistent power for extended periods of time. With a voltage of 1.5V, these batteries are suitable for a range of applications, including sound and vision devices. Available in unit quantities of 10, 20, 30, or 40, the Eveready batteries are a convenient and efficient choice for everyday use.