Count on Rayovac Size 675 Hearing Aid Batteries to power your hearing aid device. Each mercury-free size 675 battery provides high-quality performance for hearing aid devices. These Rayovac batteries are long lasting for power you can depend on whenever you need it. Use Rayovac batteries in your listening devices for reliable hearing assistance. Longer, wider tabs make it easy to change these size 675 batteries. Convenient packaging includes a reclosable door that snaps closed, and a secure dial that stops the package from spinning, giving you complete control over each hearing device battery.