Rayovac Proline Advanced Hearing Aid Batteries | Size 312 | World's Longest Lasting Battery | Child-Resistant Packaging (48)

Never miss a moment with the world's longest lasting hearing aid battery - now with child-resistant packaging! Rayovac Proline includes Rayovac’s newest "Active Core Technology," providing unparalleled power on demand, longer lasting performance and increased durability. No battery lasts longer! Today's hearing aids require the best. Rayovac Proline delivers the best in any situation, from mountain climbing to spending time with your family. Take advantage of advanced, high-drain hearing aid features like automatic environment sensing or ear-to-ear directionality without having to constantly replace your batteries.

• NO HEARING AID BATTERY LASTS LONGER. Rayovac Proline offers the world's longest lasting hearing aid batteries (based on ANSI/IEC testing). That means fewer total batteries over the lifetime of your hearing aids, and less frequent replacements.
• ACTIVE CORE TECHNOLOGY. Provides unparalleled power on demand, longer lasting performance, and increased durability.
• CHILD-RESISTANT PACKAGING. Our child-resistant packaging keeps children & infants safe by requiring scissors to cut open the plastic dial.
• MERCURY-FREE. Our Zinc Air batteries are mercury-free, making them an environmentally friendly choice.
• LONG BATTERY TABS. Our long battery tabs make it easy to handle the batteries and are color-coded for easy identification.