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Zinc-air batteries are used
today almost exclusively in
hearing instruments to
minimise environmental
damage. These batteries
require oxygen for operation,
which they absorb from the
air. The battery is activated as
soon as the protective foil is pulled off and is used up even
if you do not use your hearing instrument.
You should always pull off the protective foil only when you
actually use the battery. Also, do not leave the batteries in
your INFINITI Pro hearing instruments if you do not use them
over a longer period of time. The batteries can leak and dam-
age the instruments. The batteries can last for a few days
up to several weeks according to the way they are used.
You can recognise when a change of batteries becomes
necessary, because your hearing instruments become
noticeably quieter towards the end of the battery’s life. Then
it is time for new batteries. Two warning tones sound once
per minute indicating that you must insert a new battery.
1 min.
Your hearing instrument specialist can switch off the warning
tones if required.
Zinc-air batteries which are almost completely used up show
the following behaviour: After switched on the instruments
function normally, but then rapidly become quieter. The more
the battery is used up, the faster the gain falls off. You must
then replace such batteries by new ones.
Handling batteries