Size 312 Hearing Aids - 48 Batteries in Pack

Introducing Rayovac’s most advanced battery system yet. No hearing aid battery lasts longer**—plain and simple, or your money back!


Model: 312-48

Features and Benefits:

  • Size 312, 48 Battery Pack
  • No hearing aid battery lasts longer**
  • Money Back Guarantee
  • Improved Packaging and Longer Battery Tabs††
  • Lasts up to two days longer than our previous formulation+
  • Made in the USA with US and Global Parts++
  • Mercury-Free – Friendly for the environment