Rayovac Hearing Aid Battery, Size 312 (60 Batteries)
Brand: Rayovac

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 Choice. Delivering 30% more battery life than other mercury-free hearing aid batteries.

Rayovac Mercury Free offers consistent power and performance with an environmental focus.
Rayovac provides the optimal energy solution for almost every device. With world-class manufacturing techniques and continual quality testing and improvement, 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.