The Energizer Size 10 Hearing Aid Batteries AZ10DP are high-quality zinc-air batteries designed for optimal performance in hearing aids. With an expiration date of 11/28/2026, these batteries provide a long-lasting power supply with 100 mAh of amp hours and a voltage of 1.45V. Packaged in a convenient pack of 8 with a total of 24 batteries, these Size 10 batteries are essential for maintaining clear and consistent sound levels for those in need of hearing assistance. Made in the United States, these batteries ensure reliability and functionality for extended periods of time.