Siemens Gigaset C59H Manual page 72

First steps
Initial charging and discharging of the batteries
The correct charge level can only be displayed if the batteries are first fully charged
and discharged.
Please note
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After the first battery charge and discharge, you may place your handset in
the charging cradle after every call.
u
If you remove the batteries from the handset and reinsert them, always
repeat the charging and discharging procedure.
u
The batteries may warm up during charging. This is not dangerous.
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After a while, the charge capacity of the batteries will decrease for technical
reasons.
12
¤
Place the handset in the charging cradle for
ten hours.
¤
10 h
Then remove the handset
from the charging cradle
and do not replace it until
the batteries are fully dis-
charged.