Power your hearing aids with reliable performance using Rayovac Extra Advanced Size 10 Zinc Air Hearing Aid Batteries, now provided in child-resistant packaging (CRP) designed with safety in mind. Each battery delivers consistent 1.45V output for dependable sound quality, helping you stay connected throughout your day. This pack includes multiple easy-dispense battery cards for convenient storage and use. The advanced zinc-air technology ensures long-lasting performance, while the mercury-free formula supports environmentally responsible usage. Important: Keep batteries out of reach of children. Dispose of used batteries properly.