Posts Tagged Battery Life
-
Hearing Aid Batteries – A Review
By Dr. Molly Parker Audiologist Parker Audiology, PC Hearing aid batteries have a long history. Decades ago, they contained silver. Then they changed and contained a fair amount of mercury. When Zinc Air batteries were developed, shelf life improved significantly. However, there was still some...
-
Ask the Audiologist
By Tara Hartman, Au.D, CCC-A Audiology Consultants, P.C. What is that whistling and squealing sound that comes from hearing aids? The whistling sound that hearing aids sometimes make is called feedback. Feedback can occur for many reasons, and it is normal for hearing aids to squeal at cer...
