Wonder Tool – Battery Removal Tool£9.99
This tool quickly and easily helps remove batteries stuck in most in ear devices.
Rayovac® Batteries, Size 13. Featuring Rayovac’s brand new Sound Fusion™ Technology, for up to 9% more battery life & up to 5 more hours of wireless streaming! Mercury free.
Our Best Value Batteries Ever!
Great savings available for a limited time only.
• Save Over 60% Vs regular selling price*
No hearing aid battery lasts longer◊
When it comes to power on demand, you can count on the consistency and long-lasting technology of RAYOVAC® EXTRA hearing aid batteries to never let you down.
The next generation in hearing aid battery technology is here.
Building on 110+ years of engineering innovation and investment, RAYOVAC® is taking battery technology to the next level with Sound Fusion™ Technology:
• More battery life up to 9% more†
• Excellent Performance in a wide range of temperatures
RAYOVAC®’s best battery ever‡with Sound Fusion™ Technology.
Highly 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.
Increased Universal Power.
Engineered for greater cell stability across a wide range of temperatures, Sound Fusion™ Technology provides even more consistent power.
New Manufacturing Process.
An innovative blending methodology improves anode reaction efficiency and helps maximise the ingredients which power every single battery.
*Limited time only, while stocks last. ◊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. ©2022 Energizer. RAYOVAC is a trademark of Energizer and its related subsidiaries. WF-1078530. ‡vs previous design (excluding 675)