12 batteries in Total. The Rayovac Crystal Clear Hearing Aid Batteries Size 675 are a pack of 6 coin cell/button batteries with a voltage of 1.45v. These batteries are specifically designed for hearing aids and have a zinc-air chemical composition, providing long-lasting power. With an expiry date of October 2027, these batteries ensure reliability and performance for extended periods. Ideal for daily living aids and medical devices, these Rayovac batteries offer a convenient and efficient solution for those in need of hearing assistance.
