GPK 90w Power Adapter for Hp Pavilion Dv7-1245ca Dv7-1245dx Dv7-1247cl Dv7-1424nr Dv7-1426nr Dv7-1428ca Dv7-1444us Dv7-1448dx Dv7-1450us Dv7-1451nr Dv7-1464nr Dv7-1468nr Dv7-2019ca Dv7-2111us Dv7-3024ca Dv7-3028ca Dv7-3048ca Smart Ac Adapter Power Cord Charger Input: 100 - 240 V (worldwide use) Output:19V 4.74A 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.