Hearing Aid Battery – Where Are We?

Hearing aids are electronic devices that apply amplification provided by a power supply, most usually called the “battery.”  The power supply provides the energy to drive the hearing aid (an electrical load).  What the power supply (hearing aid battery) does is to essentially convert one form of electrical energy to another.    Battery Basics for…

Read More

Earwax and Holidays

I wish all a Merry Christmas, Happy Hanukkah, and an enjoyable New Year. That aside, what does this holiday season have to do with earwax? Nothing that I am aware of.  However, it is that time of the year when we take one of our most read posts for 2016 and share it again with all of…

Read More