The RAYOVAC Crystal Clear Hearing Aid Batteries are a pack of 8, size 13 batteries, These batteries are powered by zinc-air, providing a reliable source of energy for analogue sound processing. With a voltage of 1.45V and an expiry date of May 2029, these batteries offer long-lasting power for your hearing aids. The Rayovac brand is known for quality and reliability, making these batteries a dependable choice for daily living aids in the medical and mobility sector. brand new .
