Samsung GH68-00422A - Manual (Page 20)

Low Battery Indicator
When the battery is weak and only a few minutes of
talk time remain, you will hear a warning tone and a
message will be repeated at regular intervals on the
display:
When the battery becomes too weak for the phone
to operate, it power off automatically.
**Warning**
Battery Low
20
Getting Started
3. When charging is finished, disconnect the adapter
from the power outlet.
Disconnect the adapter from the phone by
pressing the grey tabs on either side of the
connector and pulling the connector out.