GPK Systems Ac Adapter for Dell Inspiron 15 15r 15rn I15 15m 15n M5110 N5110 N5040 I15n-1818obk I15r-1803mrb I15rm-7412dbk I15rn-4706dbk I15rn-4118dbk I15-n5040 I15m-2728obk I15n-1294bk I15n-1818bk I15n-1908bk I15n-2591bk I15n-2657obk Laptop Power Supply Cord Notebook Battery Charger Input: 100V - 240V (worldwide use) Output: 19.5V 4.62A 90Watt Service & Support 1 year warranty Designed exclusively for use with the laptops 100% compatibility with the original Replacement power supply AC power adapter was tested to match and/or exceed original product at low price.