Rayovac Size 312 Hearing Aid Battery

No hearing aid battery lasts longer than Rayovac Size 312 Hearing Aid Batteries based on ANSI performance tests. Engineered with a balanced formula, the cells in these mercury-free hearing aid 312 batteries provide high-quality performance for power-hungry hearing aid devices. Longer, wider tabs make it easier to change the batteries in your listening device. Convenient packaging includes a reclosable door that snaps closed easily to protect the remaining batteries, and the secure dial on the back prevents the package from spinning, giving you complete control over each hearing device battery.