How does the hearing aid zinc empty battery work?
Zinc air batteries are a special type of battery with a zinc alloy in the negative electrode and oxygen in the air. The positive side (smooth side) has one or several small holes, which are covered by a small adhesive tape. It needs to be sealed when stored. There is basically no self-discharge. Only when the battery is used, the adhesive tape is removed. (mainly oxygen) enters the battery, the chemical reaction begins, and the battery voltage rises to about1.4V. Currently, batteries circulating in the market generally have1.4VAnd1.45VAccording to the experience of users who have been in contact with hearing aids for many years,1.45VUse more than1.4VIt’s better, more stable, and has a longer life. Users can check the package when they buy a new battery for their hearing aids.
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