10 packs of 6 batteries The Hearing Care Partnership 312 PR41 Hearing Aid Batteries offer long-lasting power for your hearing aids. With a battery capacity of 100 mAh and a voltage of 1.45V, these coin cell/button batteries provide reliable performance. Manufactured with a zinc-air chemical composition, these batteries have a shelf life of up to 4 years from the expiry date of 10.2026. Trust in the brand's reputation for quality products and receive peace of mind with the extended warranty. Keep your daily living aids operating smoothly with these dependable hearing aid batteries.