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We guarantee the lowest price on every single item we sell, every hour of every day. In the rare chance you find a lower price somewhere else, let us know and we’ll make it right.

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Free returns.

Orders placed Nov 1 – Dec 31, 2024 and shipped within the 48 contiguous United States can be returned through Jan 31, 2025 for free. We’ll even cover the return shipping. View our full returns policy here.

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Rayovac Proline Advanced Mercury Free Hearing Aid Batteries 48 / Box Size 312

7 reviews
The long-lasting, mercury free Rayovac Proline batteries are environmentally friendly, with consistent power and performance. Made in the USA! 48 batteries per box.

Rayovac Proline Advanced Mercury Free Hearing Aid Batteries 48 / Box Size 312

7 reviews
The long-lasting, mercury free Rayovac Proline batteries are environmentally friendly, with consistent power and performance. Made in the USA! 48 batteries per box.

SKU #RV-PROBATT312 DISCONTINUED

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$34.95

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Never miss a moment with the world's longest lasting hearing aid battery! This box of 48 batteries (size 312) includes Rayovac’s new "Active Core Technology," providing unparalleled power on demand, longer lasting performance and increased durability. No battery lasts longer!

Today's hearing aids require the best. Rayovac Proline delivers the best in any situation, from mountain climbing to spending time with your family. Take advantage of advanced, high drain hearing aid features like automatic environment sensing or ear-to-ear directionality without having to constantly replace your batteries.

Active Core Plus with New Air Optimization Technology

New Air Optimization System

As zinc batteries use oxygen to activate, this new durable design uses air more efficiently to deliver consistent performance in all weather conditions.

Balanced Formula

We’ve optimized the ingredients we put inside the cell, so hearing aid users get more life out of every battery.

Engineered For Excellence

Our new harder-working battery delivers even longer-lasting power – 12% better than the nearest competitor – offering the reliability that people need with the latest hearing devices.

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