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What may be the possible reason for leakage of hearing aid batteries?

April 26, 2017batteries hearing aid leakage possible

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What may be the possible reason for leakage of hearing aid batteries?

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Leakage after usage can happen, if a battery is exposed to deep discharge. This can happen if the discharged battery is left in the hearing aid device after end of life. Air humidity can influence the battery chemistry and lead to swelling, if it is not designed for special regional conditions the battery is used in e.g. tropical environment.