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3. Preparing the charger
a) Plug the larger end of
the charging cable
into the power
supply.
b) Plug the smaller end
into the USB port on
the charger.
c) Plug the power
supply into a power
outlet.
d) The indicator light is
green when the
charger is connected
to the power supply.
The Charger Case may also be
used without an external power
supply.
Connecting the power supply
a
b
d
c
Power supply Specications
Power supply input voltage 100-240 VAC, 50/60 Hz,
current 0.25 A
Power supply output voltage 5 VDC +/-10%, current 1 A
Charger input voltage 5 VDC +/-10%, current 500 mA
USB cable specications 5 V min. 1 A, USB-A to USB-C,
maximum length 3 m
4. Charging the hearing aids
The Charger Case Go contains a built-in and
non-removable rechargeable lithium-polymer
battery.
If the built-in battery is fully charged, the hearing
aids can be charged 3 times.
Low power: You will hear two beeps when the
hearing aid battery is low. You will have
approximately 60 minutes before you have to
charge the hearing aids (this can vary, depending on
the hearing aid settings).
The hearing aid contains a built-in and non-
removable rechargeable lithium-ion battery.
Before using your hearing aid for the rst time, it
is recommended to charge it for 3 hours.
The hearing aid must be dry before charging,
see chapter 17.
Please ensure to charge and use the hearing aid
within operating temperature range: +5° to +30°
Celsius (41° to 86° Fahrenheit).