Rayovac Extra Advanced ZM — Hearing Aid Batteries, Size 312 (60 count total)

Expect top performance from your hearing aids thanks to these advanced batteries that provide quality performance and more power when you need it. The longest-lasting, mercury-free hearing aid batteries1 Ideal for high-performance tasks: phone calls, streaming audio and video Designed to be easier to handle Made in the USA Proven to perform better than other batteries2 10 cards of 6 batteries per card (60 total batteries) Longest lasting hearing aid batteries size 10: note 10 battery size BatterySavers: Which Alkaline Battery Last The Longest? Alkaline Battery Test – Who Has The Best Alkaline Battery American National Standards Institute (ANSI) (March 2020): batterysavers.com/which-battery-lasts-longest-alkaline/