DELL 戴爾 65W 充電器(小口)適用 19.5V,3.34A,3490,12-7202,13-3379,13-7350,E7270,E7470,OptiPlex 3040,5050,7040,7050,3020M,3050uSFF,9020m,i3050BLK,XPS L321X,L322X,13-0015SLV,13-2001SLV,13-2500SLV,13-3000SLV,13-4040SLV,13-6928SLV,13D-138,13D-148