🔊 Hear the difference with every battery! Designed for size 13 hearing devices. 60 batteries to keep you powered up. Air-activated for optimal performance. Perfect for hearing aids and amplifiers. Up to 4 years of shelf life. 4-Year Shelf Life 1.45V Power Mercury-Free The ANSMANN Hearing Aid Batteries pack includes 60 size 13 orange zinc-air batteries, designed for optimal performance in hearing aids and sound amplifiers. With a voltage of 1.45V and a mercury-free composition, these batteries are not only reliable but also environmentally friendly. Their innovative air-activated technology ensures long-lasting power, with a shelf life of up to 4 years, making them the ideal choice for users seeking dependable hearing solutions.