Trusted brand - Rayovac offers fresh and powerful, mercury-free, zinc-air hearing aid batteries.
Rayovac Extra Advanced premium batteries are made in the UK and built with Rayovac's Clear Sound Technology inside every battery cell, offering high quality performance throughout battery life.
- Number of batteries per packet: 6
- Brand: Rayovac
- Size: 312
- Expiry: 3-4 years
- Mercury Free (MF): Yes
- Made in the UK