Siemens Nitro micon BTE User Manual page 14

Inserting:
Remove the protective film from
the new battery.
Slide the battery into the compartment.
Make sure the "+" symbols on
the battery and compartment
are aligned (refer to the picture).
A magnet in the battery compartment
ensures that the battery snaps noticeably
into place.
Carefully close the battery compartment. If you feel
resistance, the battery is not inserted correctly.
Do not attempt to close the battery compartment by
force. It can be damaged.
14 Batteries