Hearing Aid Batteries
Many of
you who wear hearing aids have a sort of love/hate relationship with
them. You may love how much better you can hear with them, but also hate
the limitations that prevent better hearing and also some of the hassles
that accompany their use. One aspect of hearing aids that you probably
just take for granted is their batteries. They pretty much just work.
But the guys who make them aren't satisfied; they continue to work to
make hearing aid batteries more powerful, longer-lasting, and easier to
use.
March
2013 - Rayovac Explains Mercury Free Batteries
January
2012 - Bringing Rechargeable Hearing Aids into the
Mainstream Market
May 2011
- Deadline Soon for Mercury-Free HA/CI Batteries in
Some States
March
2011 - Renata Has New Line of Mercury-Free Button Cells
October
2010 - Progress on Rechargeable Hearing Aid Batteries
April
2010 - Hansaton AQ Introduces Rechargeable Battery
Technology
July
2010 - Mercury-free hearing aid batteries have some
problems
July
2010 - Information on the new no-mercury-added batteries
May 2010
- Button Batteries Pose Serious Danger for Children,
Elderly
October
2009 - Swiss Companies to Develop Rechargeable
Zinc-air Battery Technology
April
2007 - Rayovac Announces Battery for Hearing Aids with
Wireless
March
2007 - SoundBytes to Offer Rechargeable
Hearing Aid Batteries
March
2006 - Button
batteries pose serious injury risks
March
2006 - Manufacturers vow to eliminate mercury from
button batteries
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~~~~~~~~~~~~~
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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
January 2012
Sales of rechargeable consumer electronic devices
have blossomed in recent years. Surprisingly, however, in their roughly
30-year history, rechargeable hearing instruments have yet to become the
chosen alternative for most hearing aid wearers. The operating time per
charge (OTPC) has simply not been sufficient to get most hearing aid wearers
through the day, and other design and durability issues have prevented
widespread acceptance. Battery life, cost, and ease of use are important
concerns for hearing aid wearers. If designs can be developed that meet the
needs of consumers, rechargeable hearing instruments may become the solution
to their concerns. This article introduces two new hearing systems from
Hansaton Acoustics that promise to bring rechargeable hearing instruments
out of the niche market and into the mainstream.
Full Story
~~~~~~~~~~~~~~~~~
May 2011
This year on June 30, a quieter but still important
revolution will take place: the ban against hearing aid batteries that
contain mercury as an intended component will take effect in a number of
states. Enforcement spells the eventual extinction of mercury-containing
batteries-at least in the United States-but it also comes with fair warning.
Following passage of the Mercury-Containing and Rechargeable Battery
Management Act in 1996, the National Electrical Manufacturers Association (NEMA)
advocated on behalf of the industry to gain more time and negotiated a June
30, 2011, deadline for state bans to take effect.
Full Story
~~~~~~~~~~~~~~~~~
October 2010
Hearing aid-wearers, arguably more than any other
users of technology, know just how important batteries are. That's why
they'll be very interested to learn that a small company based in
Switzerland hopes to prolong the life of these batteries so that they can be
recharged overnight and provide power for the best part of a year. ReVolt
Technologies believes it has cracked an old problem in battery technology
and managed to find a formula for creating rechargeable zinc-air batteries.
The secret lies in the combination of materials used. Still in research and
development, ReVolt hopes to go into commercial production of small
batteries suitable for hearing aids in 2012 and to branch out soon
afterwards into larger batteries, which could be used for a range of
applications including laptops, power tools and electric vehicles.
Full Story
~~~~~~~~~~~~~~~~~
July 2010
In late 2009, I learned that I belonged to a group
of hearing healthcare professionals who had absolutely no idea that zinc-air
batteries had approximately 10% mercury in them. I have been working in our
industry since 1980, when battery packages read "mercury batteries." When
zinc-air batteries became available, I mistakenly assumed they contained no
mercury. But, since discovering my ignorance in this matter, I have begun to
see advertisements in our professional journals for "mercury-free
batteries." That inspired me to take an online continuing education course
from one of the battery manufacturers. I also made phone calls to hearing
aid companies and battery manufacturers. Now, with the goal of sharing some
of my experiences with my colleagues so as to assist them in the transition
to these batteries, I have prepared the following summary of what I've been
doing with my patients in terms of battery education.
Full Story
~~~~~~~~~~~~~~~~~~
March 2011
Renata Batteries has developed a new line of 0%
mercury silver oxide button cell batteries for hearing aids and other
consumer devices. Three states enacted laws banning mercury in button cell
batteries, effective July 1, 2011. In March of 2006, NEMA, the National
Electrical Manufacturers Association of the US electrical manufacturing
industry, announced its commitment to eliminate added mercury from button
cell batteries by June 30, 2011.
Full Story
~~~~~~~~~~~~~~~~~
May 2010
There has been an increase in the use of "button"
style lithium cell batteries in recent years, which are used in many
household productions including remote controls, flashlights, watches,
hearing aids, cameras, children's toys and books, and musical greeting
cards. There has also been a significant increase in the number of battery
ingestions, particularly among children. New research published in the June
issue of the journal Pediatrics has found that between 1985 and 2009, there
has been a 6.7-fold increase in the percentage of battery ingestions,
including 13 deaths involving button batteries that become lodged in the
esophagus. Certain battery types, especially the 20-millimeter lithium cell
battery, can also cause serious injury if not promptly removed, such as
tissue tears, burning, and internal bleeding, because they continue to
generate an external current, even when weakened.
Full Story
