Siemens Cellion primax, Manual

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13
Further information
Storage periods
Unused power cells and hearing instruments loose their
charge. Observe the following storage periods to avoid
deep‑discharge:
●
Power cells and hearing instruments that have not
been activated or used can be
stored up to 15 months after
production date. The production
date is printed on the power cell:
Day (DD), month (MM) and last
digit of the year (Y) of production
is printed on the power cell.
Example: 21056XX = 21st of May 2016.
●
Once a power cell is activated, in order for it to remain
in good condition it needs to be charged at least every
6 months.
Symbols used in this document
Points out a situation that could lead to serious,
moderate, or minor injuries.
Indicates possible property damage.
Advice and tips on how to handle your device
better.