
17
3
Do not hold the tubes for removing the hearing aids
from the charger as this can damage the tube.
Remove the hearing aids from the charging inserts and
switch them on, refer to chapter 7.
18
Bolero B-PR contains a built-in and non-
removable rechargeable lithium-ion battery.
Before using Bolero B-PR for the rst time, it is
recommended to charge it for 3 hours.
The hearing aid must be dry before charging,
see chapter 11.
Please ensure to charge and use the hearing aid
within operating temperature range: +5° to +40°
Celsius (41° to 104° Fahrenheit).
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4.2 Using the optional Power Pack
1
Attach the Power Pack to the
Charger Case and lock it.
2
Plug in the micro-USB and connect to an external power
supply. The Power Pack and hearing aids will be charged at
the same time. While connected to an external power
supply, the Power Pack indicator light will show the
current battery charge status.
Before using Power Pack for the rst time, it is
recommended to charge it for 3 hours.
The Power Pack contains a built-in and non-
removable rechargeable lithium-polymer battery.
20
3
The fully charged Power Pack oers 7 full charging cycles
for a pair of hearing aids. To check the remaining battery
capacity of the Power Pack, press the battery check push
button (indicator lights will be o otherwise, to preserve
battery).
Power Pack lock and release
Indicator light battery
status:
•0%-29%
•• 30%-59%
••• 60%-100%
micro-USB connection to external power source
Battery check push button
Please ensure to charge the Power Pack within
operating temperature range: +5° to +40°
Celsius (41° to 104° Fahrenheit)