Sony Xperia XZ2 Manual page 185

Do not apply unnecessary force to the connection part when handset and AC Charger
(commercially available) are connected.
May cause fire, burns, injury, electric shock, etc.
Do not touch the cord of AC Charger (commercially available), Charging Terminals, Power plug,
Desktop Holder (optional accessory) with wet hands.
May cause fire, burns, electric shock, etc.
Use with specified power supply and voltage.
Also, use AC Charger for global use (commercially available) when charging overseas.
Using the incorrect power supply and voltage may cause fire, burns, electric shock, etc.
AC Charger: 100V AC (Household AC power outlet only)
AC Charger for global use: 100V to 240V AC (Household AC power outlet only)
Wipe off dust on the power plug.
Using with dust adhered may cause fire, burns, electric shock, etc.
Firmly insert the power plug of AC Charger (commercially available) to an outlet.
Failure to do so may cause fire, burns, electric shock, etc.
When unplugging from an outlet, grasp AC Charger (commercially available) main unit without
applying force such as pulling the cord.
The cord of AC Charger may be damaged if it is pulled out and it may cause fire, burns, electric shock,
etc.
Insert or remove the connector of AC Charger (commercially available) straight against the
port without applying force such as pulling the cord.
Incorrect insertion or removal may cause fire, burns, injury, electric shock, etc.
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