The product is a genuine Rayovac Extra hearing aid battery, specifically designed to be mercury-free. Manufactured in the United Kingdom, these size 312 batteries are not only reliable but also environmentally friendly. With an expiry date of 2028, you can trust that these batteries will provide the power needed for your hearing aid for an extended period of time. The replaceable battery feature ensures that you can easily swap out old batteries for new ones, ensuring optimal performance and convenience.
