Use electrical sub-system energy to power your electronic devices using a switching GST90A19-P1M portable external plug-in adapter from Mean-Well USA, Inc.. This part's single output can handle a current up to 4.74 A. This part has an input voltage of 90 to 264 V. It has a fixed output that has a voltage of 19 V and maximum output power of 90 W. This part has a minimum operating temperature of -30 °C and a maximum of 70 °C.