The Duracell Activair Hearing Aid Batteries Size 312 Brown PR41 are disposable batteries specifically designed for hearing aids. With a voltage of 1.45V and an expiration date of 2027-02, these batteries are reliable and long-lasting. The convenient EasyTab feature makes installation and replacement simple and hassle-free. Made with a zinc-air chemical composition, these batteries provide consistent power for your hearing aid, ensuring clear and uninterrupted sound. Perfect for individuals in need of hearing assistance, these Duracell batteries are a trusted choice for daily living aids.