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Power supplies for hearing aids
Power supplies to ensure proper functioning of your hearing aid.
There are several factors that determine the life of a hearing aid battery – environment, the use and type of hearing aid.

All types of batteries for hearing aids you will always find at OPERA hearing center

All hearing aids have batteries and they come in several sizes. These are size 10, size 13, size 312 and size 675. At our office you can buy various sizes zinc-air batteries suitable for your hearing aids.

Zinc-air batteries are batteries for hearing aids powered by zinc metal and oxygen. Because zinc-air batteries are air-activated, a factory-sealed sticker allows them to remain inactive until it is removed. Once that sticker is removed, the battery begins draining. Therefore, the sticker should only be removed when you want to activate the battery. Once you have removed the sticker let the battery sit for several minutes to fully activate before actually putting it in your hearing.

Hearing aid batteries need to be changed quite often.

There are several factors that determine the life of a hearing aid battery – environment, the use and type of hearing aid. Two long beeps indicate the hearing aid battery is low. After the low battery warning, sounds may not be as clear. This is normal and can be fixed by changing the batteries. If you can’t hear the low battery warning, our hearing prosthetic specialist can change its pitch or loudness. If you prefer, it can be turned off entirely.

If you notice that your hearing aid sounds weak, hearing aid produces crackling sound or does not work properly, it may also indicate that the battery is running out.  It is always recommended having a new battery handy, so you can change it at any time and avoid unpleasant surprises.


  • To prolong battery life, remember to turn your hearing aids off when not in use, especially when asleep.
  • Remove the batteries and keep the battery door open while hearing aids are not being worn. This will allow internal moisture to evaporate.
  • Discard batteries in a safe and environmentally friendly way.


  • Suitable for hearing aids of all manufacturers.
  • Pack of 6 Pcs.
  • The standard sizes of the hearing aid batteries are 10, 13, 312 and 675.

If the battery changing bothering you, you can buy a battery charger for hearing aids!


You will get more detailed information during Your visit at our hearing specialist.
Please address the closest hearing center
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