For Dell Inspiron 1750 AC Adapter Charger PA-12 Power:19.5V 3.34A 65W Output : 7.4*5.0mm ... input:100V-240V 50/60HZ..... For Dell Inspiron 1750 AC Adapter Charger PA-121.Power(w):65W2.Output connector:7.4*5.0mm3.Input ... , N2768, NF642, PA-1650-05D, PC531, XD733, XD802, YR733 Fits Laptop Models:Dell Inspiron NotebooksDell Inspiron 300M, 500M, 505M, 510M, 600M ...