Rayovac's zinc air cell design provides precision air flow, maximizing power and maintaining performance.
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 improvement, you'll be assured of the highest product performance in each and every battery.
60 Rayovac batteries on the Xcell card label, Size 13 Zinc Air Hearing Aid Batteries MERCURY FREE. Rayovac Hearing Aid Batteries, are the best selling brand and they claim to have the world's longest lasting hearing aid batteries. Rayovac zinc air batteries come under several names including the xcell label. All these batteries are the same exact quality as other Rayovac MERCURY FREE hearing aid batteries , only the sub-brand name differs. What matters to the end user is price, service, selection and quality.