Premium Batteries zinc air hearing aid batteries are epecially designed for operation in both analogue & digital devices. Designed to operate in high drain devices and provide high and constant voltage for optimal service life. Protective tabs provide protection for the zinc air batteries to prevent premature battery drain and provide long shelf life. Classic package with convenient rotary dispenser which safely stores premium batteries to prevent unexpected removal of protective battery tabs. Additional Details ------------------------------ Product description: Premium Batteries zinc air hearing aid batteries are epecially designed for operation in both analogue & digital devices. Designed to operate in high drain devices and provide high and constant voltage for optimal service life. Protective tabs provide protection for the zinc air batteries to prevent premature battery drain and provide long shelf life. Classic package with convenient rotary dispenser which safely stores premium batteries to prevent unexpected removal of protective battery tabs.