The Chicony A11-200P1A adapter is a universal AC adapter designed to power laptops and desktop computers. With an output voltage of 19V and an input range of 100-240V, this black adapter is compatible with a wide range of devices. Its compact design makes it easy to use on the go, ensuring that you can work or play without worrying about finding a power source. Perfect for those who need a reliable and efficient power solution for their computing needs. Connector Size: 4-pin round connector Compatible with: Samsung Series 7 laptops, such as the NP700G7C model according to the Internet. power supply included.