: Power supply: 180W power adapter Input voltage: 100-240V 3.5A 50-60Hz Output parameters: 19.5V-9.23A Connector Size: 7.4mm X 5.0mm with center pin Item size: Approx. 5.8 2.9 1.18 inch Item weight: Approx. 21oz / 605g Material: PC Color: Black This charger has been tested to ensure compatibility with the following 180W 150W 130W Dell Model: Alienware 15 R1 R2 R3 R4 R5 Alienware 17 R1 R2 R3 R4 R5 Alienware 13 R1 R2 R3 R4 M13 Alienware 14 M14X ,M11X,Alienware-m15X,Alienware Area-51m,Alienware m17 m17X ,X51,m15 Alienware Alpha ASM100;ASM-R2 Dell G3 Series : 3579 3779 15 17 Dell G5 Series: 5587 5590 15 Dell G7 Series : 7588 7590 7790 15 17 Dell Precision Series: 7520 7530 7510 7710 M2800 M4600 M4700 M4800 M6600 M6300 3510 3520 Dell Inspiron 15 7000 Series: 7577 7559 5577 5576 Dell P/N: NDFTY, 450-AGCU, 0N7MWW, N7MWW, 450-16902,A-0180ADU00-201, ADP-180MB B, FA180MP111, 74X5J, 78X5J, JVF3V, LA150PM121, PA-1151-56D, H1NV4, PA-5M10, ADP-150RB B, ADP-50EB, DA150PM100-00, J408P, W7758, PA-1151-06D2, PA-15 PA15, N3834, N3838, PA-1151-06D, 320-2746, D1404, D2746, N426P, 330-5829, R940P, 330-7842, 330-5830, 0WW4XY, DA180PM111, FA180PM111 ADP-180MB B, la130pm121 da150pm100-00, DW5G3, 0DW5G3, 74X5J, 074X5J, WW4XY, TW1P0, F0G4K, JVF3V, 331-1469, 331-7957 Note: Please check your Laptop's Model,and more details before purchase, thanks!WHAT YOU GET: 24 hours customer service,30 days money back or exchange, free 12 months warranty.1X AC Adapter(include power cord), 1X Package. Multiple Protection: CE certified.Internal smart circuit keeps you and your device safe with multiple protections, including over current protection, over voltage protection, short circuit protection, over heating protection, overload protection, surge protection and under voltage protection The LED indicator lets you know it on, and makes it easy to find in a dimly lit space. Compatible with P/N: NDFTY, 450-AGCU, 0N7MWW, N7MWW, WW4XY, 0WW4XY, DA180PM111, FA180PM111 ADP-180MB B, DW5G3, 0DW5G3, 74 x 5J, 074 x 5J, TW1P0, F0G4K, JVF3V, 331-1469, 331-7957. Compatible models: Alienware 13 R2 R3 M13 M11X,Alienware 15 ,Alienware 15 R2 ,Alienware 15 R3 ,Alienware 17 R2 R3 R4 R5,Alienware Area 51M ,Alienware Area 51M ,Alienware M15 ,Alienware X51, Alienware X51 R2,Latitude E5470, Latitude E5570, Latitude E7240, Latitude E7440, Precision 15 7510, Precision 15 17 7710 5475 3048 5477 7777 7577 G3 G5 G7 3579 3779 5587 5590 7588 7590 7790, Precision M2800 M4600 M4700, Precision M4800, Inspiron One 23 (2350), Inspiron One 2320, OptiPlex 3011 AIO. Specifications: Input: Voltage 100-240VAC,Output power: 19.5V 9.23A 180W; cONNECTOR SIZE: 7.4 x 5 mm(Refer the pictures).