• Rayovac is the No.1 selling Hearing Aid Battery manufacturer in the world*.
• Mercury Free - Environmental friendly.
• Optimized for wireless, Bluetooth and MFI's devices.
• Works perfectly with both analogue and digital hearing aids.
• Size 312 / PR41.

Product Description ------------------- We have over 110 years of experience in battery innovation - Industry leading technology. Since 1906 we have worked tirelessly with industry experts, hearing aid users and device manufacturers to ensure that our products are developed to meet the ever changing needs of the consumer. Innovative developments and the highest manufacturing standards ensure the outstanding quality of our product range. This quality is demonstrated time and again with valued customer feedback, the awards we win and the simple fact that the number 1 selling hearing aid batteries worldwide are Rayovac batteries*. Alongside our research and development work, this result is primarily due to our employee expertise and stringent quality control. *Based on internal company estimates/based on worldwide marketshare. We have developed an advanced test regime that accurately reflects device and consumer requirements. ”Following the most recent guidelines established by ANSI and IEC, battery performance, quality and reliability are strictly monitored assuring the very best performance battery after battery.” Our European manufacturing facility in Washington produces hearing aid batteries to the highest certifications, along with using Statistical Process Controls to ensure consistency of product. To maintain our market leading position, we use internationally qualified professionals to launch new products as well as improve on our existing lines. Over a century of continual, innovative development is kept up to date thanks to constant research and further developments. To demonstrate our leadership in hearing aid battery performance, our engineers perform a series of quality tests to ensure customers receive a consistent battery every time. Over 300 in-process tests are performed on incoming materials, the latest in laser and camera measurement is used to assess and inspect and 69 finished cell tests are performed on each cell lot. We push our batteries to the limit, testing at extremes of temperature and humidity before every single battery is electrically tested for OCV and impedance prior to shipment. Combined, these tests ensure our customers receive batteries that are reliable, and allow them to simply live their life, uninterrupted. Rayovac Active Core Technology is a major step forward in the world of hearing aid battery power. The improved cell design and formulation delivers more energy to ensure no hearing aid battery lasts longer*. Providing customers with the longevity, reliability and power needed to cope with any situation. * Based on ANSI/IEC tests for sizes 10, 13 and 312 Box Contains ------------ 6 x Size 312 hearing aid batteries