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Using hearing aid batteries - frequently asked questions
We expect reliable performance from hearing aids and implants. In their use, it is extremely important to ensure high-quality power supply. A good battery determines the sound quality and the usage time of the device.
This article presents a list of frequently asked questions that we receive from customers and the answers from our specialists.
How long does a battery last in a hearing aid?
Unfortunately, due to the diverse range of devices that use batteries, the answer cannot be definitive. A standard hearing aid battery allows for device usage from 3 to 22 days. This period depends on the energy demand of the specific equipment, the type of battery (e.g., large 675 zinc-air batteries have the longest operating time), as well as the intensity of use of the hearing aid or implant, and the prevailing environmental conditions.
Also read our post: What factors affect the operating time of zinc-air batteries
How often should you change the battery in a hearing aid?
Some models of hearing aids and implants may signal the need to change the battery - this may be an audible signal indicating that the battery is running low.
If the device does not have this functionality, change the battery if the sound quality has deteriorated or the device requires higher volume settings.
Your batteries, after a certain period of use, may discharge very quickly. It is good to always have a set of spare batteries with you.
Prevent battery discharge. Remove the protective sticker and aerate the battery just before placing it in the hearing aid or implant. Also avoid contact between the battery and metal objects. It is advisable to have a portable battery case.
What is the sticker on the battery for a hearing aid or implant?
It protects the zinc-air battery from discharging. Once the sticker is removed, the battery contents react with oxygen from the air and from that moment on, it gradually discharges. Always buy batteries with an undamaged sticker.
When replacing the battery with a new one, peel off the protective sticker from the new battery, wait 2 minutes, and only then place the new battery in the hearing aid.
How to prevent the battery from discharging?
- Turn off the device if you are not using it. You can open the compartment where the battery is placed to limit its use (unless the device manufacturer does not recommend such action).
- Remove the battery from the device if you will not be using it for an extended period. Remember that zinc-air batteries will gradually discharge after the protective sticker is removed.
- Avoid extreme (high and low) temperatures.
What else should I pay attention to?
- Store batteries in their original packaging, at room temperature.
- Wash your hands before placing the battery in the device. Contaminants can negatively affect its lifespan.
- Leave the battery compartment open overnight in your device to allow it to dry. Moisture can lead to corrosion of your batteries.
- Immediately remove used batteries from the device. Used batteries can damage your device.
Also see our video material:
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Popular hearing aid batteries at hurt.com.pl
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