THE NEXT GENERATION
IN HEARING AID TECHNOLOGY IS HERE

Building on 110+ years of engineering innovation and investment, RAYOVAC is taking battery technology to the next level with the introduction of Sound Fusion™ Technology. Staying connected has never been more important and consumers are looking for more hearing aid battery power for the latest hearing devices.
With improved battery life for longer wireless streaming, our longest lasting, best performing battery is even more durable, reliable and robust. It meets the demands of modern-day hearing devices, making life sound better and empowering users to enjoy more of the moments that matter.

No hearing aid battery lasts longer*

The breakthrough Sound Fusion Technology being launched in RAYOVAC®-branded products from June 2022, allows users to benefit from:

Up to 9% more battery life**

Battery Icon

More hours of battery life

clock displaying the text "5 hrs"

Up to 5 more hours of wireless streaming**

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Excellent performance in a wide range of temperatures

Sound Fusion Technology Features

Fusion cell iconHighly Conductive Fusion.
A revolutionary improvement to the polymer network inside each battery, allows increased cathode connectivity and gives the active ingredients more space to boost performance

Power gauge iconIncreased Universal Power.
Engineered for greater cell stability across a wide range of temperatures, Sound Fusion Technology provides even more consistent power.

Manufacturing cog iconIncreased Universal Power.
Engineered for greater cell stability across a wide range of temperatures, Sound Fusion Technology provides even more consistent power.

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Build your practice with RAYOVAC® Pro Line® 

Our RAYOVAC® Pro Line range is exclusive to hearing healthcare professionals. Find out more about RAYOVAC® Pro Line hearing aid batteries with Sound Fusion Technology for your practice and discover the benefits of becoming a member of our exclusive Pro Line Business Builder Club.

Find out more about RAYOVAC® Pro Line®

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The Power Of Hearing product information regarding Secure dial, Optimally sized tabs, Forward facing door
Rayovac 312 hearing aid batteries

* RAYOVAC brand only. Based on ANSI/IEC performance tests. **ROV Batteries, size 312 vs. leading competitor based on IEC Wireless test, Tested Jun. 2021-Sept 2021 at >8 months of age.