The Rayovac 40-Pack Hearing Aid Batteries in Size 13 are high-quality zinc-air batteries designed specifically for hearing aids. With a voltage of 1.45V, these batteries offer a reliable power source for extended use. The pack includes 5 sets of 8 batteries, providing a total of 40 units to ensure you have an ample supply, with an expiry date ranging from 2029 to 2030.
