Rayovac Extra Advanced Hearing Aid Batteries, 42 Size 312 + Battery Holder Keychain Kit (42 Batteries)
- Includes 2 Cell Battery Holder Keychain
- Rayovac provides the optimal energy solution for almost every device. With world-class manufacturing techniques and continual quality testing and improvment, you’ll be assured of the highest product performance in each and every battery.
- Rayovac’s zinc air cell design provides precision air flow, maximizing power and maintaining performance.
- 3-4 Year Shelf Life, Made in the U.S.A.
- The world’s longest lasting Mercury Free hearing aid battery.
- Includes 2 Cell Battery Holder Keychain
- Rayovac provides the optimal energy solution for almost every device. With world-class manufacturing techniques and continual quality testing and improvment, you’ll be assured of the highest product performance in each and every battery.
- Rayovac’s zinc air cell design provides precision air flow, maximizing power and maintaining performance.
- 3-4 Year Shelf Life, Made in the U.S.A.
- The world’s longest lasting Mercury Free hearing aid battery.
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