We have different sony types of AC adapter, as follow:

SONY 16V 3.75A 60W
SONY 16V 4A 64W
SONY 19.5V 3A 60W
SONY 19.5V 4.1A 80W
SONY 19.5V 5.13A 100W
SONY 19.5V 6.15A 120W