60 Rayovac Extra Mercury Free Hearing Aid Batteries Size: 312 + Battery Holder Keychain Kit

The world's longest lasting mercury-free hearing aid battery.
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.
Models 10, 13, 312 are made in USA, model 675 is made in the UK.
Battery Holder Keychain 60 Rayovac Extra Mercury Free Batteries, Size 312Zinc Air Hearing Aid Batteries. (60 batteries Standard dial pack, 10 cards of 6 cells each). Rayovac Hearing Aid Batteries, are the best selling brand and they claim to have the world's longest lasting hearing aid batteries. Experience the world's longest lasting mercury-free hearing aid batteries - Rayovac Mercury Free, The Green Choic More »