GPK Systems AC Adapter for Samsung Np series Input: 110V-240V 1.5A 50/60Hz Output: 19V 3.16A 60W. Connector Size: OD 5.5mm ; ID 3.0mm 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.