The Rayovac Size 312 Extra Advanced Hearing Batteries are high-quality, long-lasting batteries designed for behind-the-ear hearing aids. With a power source of battery, these brown-colored batteries come in a pack of 64 and have an expiration date of 2028. Specifically designed for analog sound processing, these batteries are suitable for both ears and are replaceable for continuous use. Made by the trusted brand Rayovac in the United States, these hearing aid batteries offer reliable power for daily living aids for adults with hearing assistance needs.
Mercury free 80-pack of size A312 hearing-aid batteries with zinc-air technology High energy density and almost completely flat drain curveā€”powerful from beginning to end Popular choice for todayā€™s behind-the-ear or in-the-ear digital hearing aids Durable stainless-steel housing ensures ultimate stability and protection against corrosion 2- to 3-year shelf life; remove tab and allow battery to be exposed to air for 1 minute to activate battery before inserting into hearing device