Advanced Bionics Sky CI M90 Manual Del Usuario página 15

Removing the Battery
Hold the Sky CI M90 in one hand. In the other hand, hold the battery.
Rotate the headpiece cable upward in order to avoid bumping it upon
battery removal.
Firmly slide the battery away from the M T-Mic, M Earhook, or
M Acoustic Earhook.
Continue sliding the battery until it separates from the sound processor.
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