GPK Systems Ac Adapter for Hp Pavilion Dm1-3210us Dm1-4050us Dm1-4142nr Dm1-4170us Dm4-1265dx Dm4-2015dx Dm4-2050us Dm4-2191us Dm4-3050us Dm4-3055dx Dm4-3090se Laptop Power Supply Cord Notebook Battery Charger Input: 100 - 240 V (worldwide use) Output:18.5V 3.5A 65 Watt 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.