Phonak Roger inspiro User Manual page 12

The Roger inspiro battery symbol will flash during
charging. The battery cannot be over-charged.
Once Roger inspiro is disconnected from its power supply
or charging dock, its on-screen battery symbol will
show its remaining capacity.
The battery is fully charged.
Approximately 1 hour before Roger inspiro's battery
becomes empty, its vibration alarm will be activated.
Check the message on the Roger inspiro's screen and
follow the instructions.
Once the Roger inspiro's battery is completely exhausted,
its battery symbol will turn red.
I Use only the original Phonak charging unit
for Roger inspiro.
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