HP OEM Notebook Smart AC Power Adapter/C,19V 4.74A 90W (7.4x5.0mm) With pin

HP Smart AC Power Adapter/Charger Spec:

AC input voltage: 100~240V 50~60Hz
DC output voltage: 19V
DC output current: 4.74A
Power: 90W
Connector size : 7.4mm x 5.0mm (ref to the picture)

HP Smart AC Power Adapter/Charger
Compatible Laptop Model:
HP Compaq 2510p Notebook PC
HP Compaq 2710p Notebook PC
HP Compaq 6510b Notebook PC
HP Compaq 6515b Notebook PC
HP Compaq 6530b Notebook PC
HP Compaq 6535b Notebook PC
HP Compaq 6710b Notebook PC
HP Compaq 6720s Notebook PC
HP Compaq 6730b Notebook PC
HP Compaq 6735b Notebook PC
HP Compaq 6910p Notebook PC
HP Compaq 8510p Notebook PC
HP Compaq 8710p Notebook PC
HP EliteBook 2530p Notebook PC
HP EliteBook 2730p Notebook PC
HP EliteBook 6930p Notebook PC
HP EliteBook 8530p Notebook PC
HP EliteBook 8730w

HP Probook 4540
HP G50 G60 G70 Series
HP Pavilion DV7 
Compaq Presario CQ40 CQ45 CQ50 CQ60 CQ70 Series
HP Probook 450 G1
HP Probook 450 G2
HP Probook 650 G1
HP Probook 470 G2
HP Probook 850 G1
HP Probook 850 G2