Specifications: Lnput: 100-240V Output: 19.5V 9.23A 180W Connector Size: 7.4mm*5.0mm(Refer the pictures) Compatible Models: Dell Alienware 13 Dell Alienware 13 R1 Dell Alienware 13 R2 Dell Alienware 13 R3 Dell Alienware 15 Dell Alienware 15 R1 Dell Alienware 15 R2 Dell Alienware 15 R3 Dell Alienware 17 Dell Alienware 17 R1 Dell Alienware 17 R2 Dell Alienware 17 R4 Dell Alienware 17 R4 Dell Alienware 17 R5 Dell Alienware Area 51M Dell Alienware M15 Dell Inspiron G3 (3579) Dell Inspiron G3 (3779) Dell Inspiron G5 (5587) Dell Inspiron G5 (5590) Dell Inspiron G7 (7588) Dell Inspiron G7 (7590) Dell Inspiron G7 (7790) Dell Inspiron One 2350 Dell Inspiron One 2320 Dell Precision M4600 Dell Precision M4700 Dell Precision M4800 Dell Precision 7510 Dell Precision 7520 Dell Precision 7530 Dell Precision 7710 Dell OptiPlex 3050 AIO Compatible with P/N: NDFTY, 450-AGCU, 0N7MWW, N7MWW, WW4XY, 0WW4XY, DA180PM111, FA180PM111, ADP-180MB B, DW5G3, 0DW5G3, 74X5J, 074X5J, WW4XY, TW1P0, F0G4K, JVF3V, 331-1469, 331-7957 How to choose a charger for your laptop? Check the DC output V&A of your original with can be found in the label of your original charger. This is 19.5V 9.23A 180W Make sure the output volts and ampsare exactly the same as your orginal.Check the connector of your orginal, Make sure the connector size of ac adapter are accordant. This is 7.4 mm x 5.0 mm. Or Ctrl + F, search for your laptop model or charger model PN (PN can be found in the label of your original charger) in the list. PACKAGE: 1X 180W 19.5V 9.23A AC Power Adapter + 1 x AC power cord + 1 x User manualWarranty: Vanzer provides high-quality power products and excellent customer service, 24 x 7 email support, 12-month warranty, and 30-day money-back guarantee!. Safety and Quality: The charger has passed the UL / CE / FCC / RoHS testing and was made with the highest quality material to talking into account the wear resistance and deformation, anti-aging performance and durability. Oxygen-free pure copper wire core current is more stable for you to use it without any trepidation. Compatible with P/N: NDFTY, 450-AGCU, 0N7MWW, N7MWW, WW4XY, 0WW4XY, DA180PM111, FA180PM111, ADP-180MBB, DW5G3, 0DW5G3, 74X5J, 074X5J, WW4XYM, TW1P0, F0G4K, JVF3V, 331-1469, 331-7957, (PN can be found in the label of your original charger). Compatible models: Dell Alienware 13 R1 R2 R3 Dell Alienware 15 R1 R2 R3 Alienware 17 R1 R2 R3 R4 R5 Alienware M51, Alienware 51M Precision 15 7510, Precision 17 7710, Precision M4600, Precision M4700, Precision M4800, Inspiron One 23 (2350), Inspiron One 2320, OptiPlex 3011 AIO, Inspiron G3 3579, Inspiron G3 3779, Inspiron G5 5587, Inspiron G5 5590, Inspiron G7 7588, Inspiron G7 7590, Inspiron G7 7790. Input: 100-240V 50-60Hz Output: 19.5V 9.23A 180W, Connector Size: 7.4mm*5.0mm(Refer the pictures).