Bytecc 2 in 1 AC / DC Universal Laptop / Monitor Power Adaptor support DELL , SONY , SAMSUNG , ACER , HP , IBM & many more PW-100W Input: AC 110V-240V; 50-60Hz 1.3A MAX Output: 12V, 15V, 16V, 18V, 5.5A MAX 19V, 20V, 22V, 24V, 4A MAX USB Port: 5V, 1A Connectors: 12 Power Plugs Connectors' Polarity: Positive center