The Power One (Pack Of 60) Size 312 Hearing Aid Batteries are high-quality, long-lasting batteries designed specifically for hearing aids. With an expiration date of 2028-10, these 1.45V coin cell/Button batteries are reliable and efficient in providing the power needed for daily use. The pack of 60 ensures that users have an ample supply to last for an extended period of time. Made by the trusted brand Power One, these batteries offer peace of mind for those in need of reliable hearing assistance.