🔊 Power Up Your Hearing Experience! Enjoy a shelf life of 2-3 years, ensuring you're always powered up. 60 batteries mean fewer trips to the store and more time enjoying life. Genuine German engineering guarantees reliability and performance. Proven to perform under extreme climatic conditions for peace of mind. Experience superior power with high-quality Zinc Air technology. 2-3 years shelf life 60 pcs pack Made in Germany The Power One Zinc p312 hearing aid battery pack includes 60 high-quality batteries made in Germany, designed for long-lasting performance with a shelf life of 2-3 years. These Zinc Air batteries are tested under extreme conditions, ensuring reliability and efficiency for your hearing aids.