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Power One is one of the highest selling hearing aid batteries, manufactured to exact specifications in Ellwangen, Germany. Power One offers the best possible quality and reliability, and are extremely long lasting. We have fresh stock of size 10, size 13, size 312 and size 675 Power One hearing aid batteries, all with long shelf lives.
You will hear two beeps when it is time to change your hearing battery. This warning will be repeated at intermittently until the battery completely runs out. If the battery runs out, your hearing aids will turns off. When that happens, it's time to replace the battery. A worn out battery should be removed immediately and disposed of appropriately.
To activate your hearing aids, insert a fresh hearing aid battery in the battery compartment. The hearing aid will start up when the battery door is closed. It will take a few seconds until sound is produced. Feel free to put the hearing aids in your ears once the battery door is closed. If the hearing aid is held in your hand while activated, it may produce a whistling sound. This will stop when properly fitted in your ears.
You can turn your hearing aids on by closing the battery door completely with the battery inserted.To turn your hearing aids off, open the battery door completely. To maximise the life of your hearing aid battery, make sure your hearing aids are switched off when you are not wearing them and open the battery compartment fully to allow air to circulate, for example at night.
If your hearing aids turn off unexpectedly, you may wish to check if the battery has run out. There are two ways to check this:
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