Vintage Hearing Aid Batteries – Shown in Use

Previous posts have talked about early vacuum tube and transistor hearing aids, and the hearing aid batteries they used.  A tremendous change occurred in hearing aid size in going from vacuum tubes to transistors as amplifiers.  Much of that related to changes in the battery size as well, as previously discussed. This post is intended…

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New Era of Rechargeable Hearing Aid Batteries

Barry Freeman, Ph.D.*   Hearing aids (instruments) are entering a new era of rechargeable hearing aid batteries where consumers no longer have to deal with the hassles of replacement disposable batteries.  Just follow recent industry product announcements: “Starkey offers rechargeable option thanks to ZPower” “Free yourself from the hassles of disposable batteries with Phonak Audéo™…

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