Power adapter fit Sony Vaio Duo SVD13213CYB Sony 10.5V 4.3A 45W 4.8*1.7mm
Fit with following laptop:

Sony Vaio Duo SVD13213CYB

Specifications:

Type: Power AC Adapter
Input Voltage: AC 100-240V~50/60HZ
Output Voltage: DC 19V 2.37A/3.42A
Max. Output Power: 45W/65W
Connector Size: 5.5*2.5mm (as pictures)
Manufacture Guaranty: 12 Months
Operate Environment: Please keep the environment cool and dry!