Acer CS-5530 User Manual page 21

This camera must be used with specified AC power adapter. Damage
caused by the use of an incorrect adapter is not covered under the
warranty.
When the charging is not started even if following the above procedure,
turn the power on at any mode after LCD monitor turns on, and then turn
the power off.
The battery may feel warm after it has been charged or immediately
after being used. This is normal and not a malfunction.
When using the camera in cold areas, keep the camera and battery
warm by holding them inside your outer cloth.
If you open the battery cover without removing the battery, the power
will not be terminated. If you remove the battery, you have to insert the
battery again in a period of 2 hours in order to make sure that the date
and time will not be reset.
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