Specifications: Input: Voltage 100-240VAC,Output power: 19.5V 9.23A 180W; CONNECTOR SIZE: 7.4mm*5.0mm(Refer the pictures) Compatible models: Fit for Dell Precision 7510 7520 7530 7540 7550 M4600 M4700 M4800 M6300 M6600 M6700 M6800 Laptop Charger Compatible with P/N: NDFTY, 450-AGCU, 0N7MWW, N7MWW, WW4XY, 0WW4XY, DA180PM111, FA180PM111 ADP-180MB B, DW5G3, 0DW5G3, 74X5J, 074X5J, TW1P0, F0G4K, JVF3V, 331-1469, 331-7957 Safety - All of our product lines are put through rigorous quality control procedures to ensure safe, reliable operation for years to come. In addition, our products are in compliance with top industry standards, and include numerous safety mechanisms, including protection against short circuiting, overvoltage, overcurrent, and internal overheating Package:1 x AC Adapter, 1 x Power Cord.