Check Connector Size & Output - Output Max: 19.5V 3.34A 65W, Input: 100-240V. Check connector size: 4.5mm-3.0mm tip, Includes a 7.4mm*5.0mm converter to cover more models Perfect Fit - Compatible with Dell Latitude 3520 3420 3450 3550 3530 3590 3500 3510 3430 3420 3410 3301 3320 3310 2-in 1 3390 2-in-1 Perfect Fit - Compatible with Dell Inspiron 16 5620 5625 5640 5645 7640, Inspiron 17 3780 3790 3793 5758 5759 5765 5767 7773 7779 2-in-1 Latitude 3520 3420 3450 3550 3530 3590 3500 3510 3430 3420 3410 3301 3320 Safe & Certified - CE, FCC, CCC certified. Over-voltage, over-current, and short-circuit protection Support & Warranty - 24/7 email support, 12-month warranty. Buy now to ensure you have reliable power for Dell