Premium solution for advanced hearing aid devices. No size 312 hearing aid battery lasts longer on ANSI & IEC performance tests. That's performance you can trust! This brown tab size 312 batteries deliver peak performance for advanced features likes streaming video, audio, and phone calls. The packaging is the most advanced ever from Rayovac, too. Long, wide tabs make handling these 312 batteries easy. Plus, these brown tabs size 312 have a front facing door making it easier than ever to remove a single battery. The zinc air technology delivers clear sound through the entire life of the battery. You can trust the 4-year shelf life to ensure powerful performance for the entire package of 24 batteries. Size 312, 18 Battery Pack No hearing aid battery lasts longer** Lasts up to two days longer than our previous formulation+ Mercury-Free ? Friendly for the environment
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