Siemens Gigaset A580 User Giude page 13

First steps
Initial charging and discharging of 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 replace your hand-
set in its base station or charging cradle after every call.
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Always repeat the charging and discharging procedure if you remove the
batteries from the handset and reinsert them.
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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 base station or
charging cradle for ten hours.
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Then remove the handset
from the base station or
10 h
charging cradle and do not
replace it until the batteries
are completely discharged.