!!! Please Note !!! When you choose the laptop adapter, in addition to matching the models also pay attention to whether the two places is consistent with your original power supply:
1. The voltage and Current should be same as your original power supply.
2. Adapter connector size must be consistent with the original adapter, Please confirm if it is appropriate.
3. Connector size:7.4mm x 5.0mm.Please confirm the size to make sure that it fits your computer.
Compatibility:
Dell Latitude E5470, E5570, E7240, E7440
One 23 (2350), One 2320, OptiPlex 3011 AIO,
Dell Alienware 15 R1, R2, M14X M15x M17x,17 R2, M17, M17x R4, X51, X51 R2
Precision 15 7000 Series (7510), Precision 17 7000 Series (7710), Precision M2800, M4600,M4700,M4800, M6300 M6400,M6600, M6700, M6800, 15,7510
100% Compatible with P/N: WW4XY, 0WW4XY, DA180PM111,FA180PM111 ADP-180MB B, DW5G3, 0DW5G3, 74X5J, 074X5J, WW4XY, TW1P0, F0G4K, JVF3V, 331-1469, 331 -7957
Dell E7250,E7270,E7440,E7450,E7470,ST,XT3,6430U,E5530,E6230,E6330,E6430,E6430ATG,E6430S,E6540
13Z 14Z 14R 15R 15Z
Part Numbers:310-2860, 310-3149, 310-4408, 310-7251, 310-7696