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26.1 Battery FAQ
How should I prepare a new battery?
No preparation is required in a normal use situation. If required, charge the hearing aids in the charger
and follow the battery level indicators on the charger. Alternatively, you can also see the battery level in
the smartphone app.
Can I damage a battery by incorrect use?
No. The only exceptions would be use of excessive physical force or extreme temperatures.
Is it required to remove the hearing aids when fully charged?
No. You can, for example, leave your hearing aids in the charger overnight.
Do I need to charge the hearing aids fully before use?
No. A partial charging is fine and will not harm the hearing aids or the battery, but a full charge will
provide the longest use time.
Can I interrupt the charging of the hearing aids and the hearing aid charger?
Yes. A partial charging causes no harm.
Should I use up all battery power before charging again?
No. Regular charging, for example, daily charging (overnight) is considered normal use. The batteries in
the hearing aids and charger have no memory effect and can be recharged at any level of depletion.
Why do my hearing aids not turn on automatically, although they have been in the charger for an ex-
tended period of time?
If you leave your hearing aids in the charger for more than 24 hours, the charger will go into standby
mode and turn off the power of the hearing aids.
If the charger runs out of battery power during charging of the hearing aids, it will instruct the hearing
aids to turn off power to preserve energy.
When you retract the hearing aids from the charger, they will not turn on automatically as normally.
Press the push button for 5 seconds to turn the hearing aids on manually.
Does the battery heat up when charging?
There is a slight temperature increase at the end of the charging process.
Can I charge at low temperatures?
If the hearing aid temperature is below 0 °C (32 °F), it will not charge immediately. Charging must take
place between 0 °C (32 °F) and 40 °C (104 °F) .
Can I charge at high temperatures?
The operating temperature range for the charger and the hearing aids is 0 °C - 40 °C/ 32 °F - 104 °F.