Rayovac Proline Advanced Hearing Aid Batteries – Size 312 – Pack of 48 Batteries



These hearing aid batteries are Rayovac’s top-of-the-line model. On average, they last about a day longer than their other batteries, which makes these ideal for streaming audio from your phone or TV. They are air-activated, so after pulling the tab, wait a minute or so before closing the battery door. This will maximize the cell’s longevity.