Product Review

NEW Rayovac Mercury-Free Proline Advanced Size 13 Hearing Aid Batteries. Rayovac Proline Hearing Aid Batteries now provide an electric current of 1.45mv; for a longer lasting battery that produces a cleaner sound. Proline Advanced Mercury Free: The World's Longest Lasting Rayovac Proline Advanced Mercury Free delivers 30% more battery life than other mercury-free hearing aid batteries. What's more, it's environmentally friendly, with consistent power and performance that rivals mercury-containing products on the market today.