Energizer Hearing Aid Batteries Size 312, Brown Tab, 8 Pack You’ll love hearing this: Energizer has its longest-lasting size 312 hearing aid batteries ever. And trust us, we know a thing or two about ears. These brown tab size 312 batteries deliver consistent sound quality across their life span for a better hearing experience. They’re also designed to prevent damaging leaks and premature low battery signals. The premium perforated packaging is more discrete and portable than our previous design....