Sagem COSY Phone Manual page 14

Then the phone is charging up. The battery icon scrolls left
and right to indicate that it is charging. When the battery is
fully charged, the charging stops on its own. Disconnect the
cable.
When charging, the battery may warm up, this is normal.
When charging, the socket on which the charger is plugged
must be easily accessible.
WARNING
If the battery has entirely discharged, the phone cannot
start. Plug the phone to the charger. The phone will switch
on after a few minutes of charge. You can use the phone
again when the Start option is displayed on the screen.
WARNING
There is danger of explosion if the battery is placed in an
incorrectly way or if it is exposed to fire.
Do not short circuit it.
The battery does not have any part that you can change.
Do not try to open the battery casing.
Use only the appropriate chargers and batteries as shown
in the phone manufacturer's catalogue.
The use of other types of chargers or batteries may be
dangerous or invalidate the warranty.
Used batteries must be disposed of in the appropriate
places.
We advise you to take the battery out if you plan not to use
the phone for extended periods.
You are strongly advised not to connect your phone to the
charger if it doesn't contain a battery.
The charger is a safety step-down transformer, it is
forbidden to modify, alter or replace it by another
component (power supply plug, etc).
14 Quick start