Not all USB-C ports are borne equally... we shall update this list whenever we try something new. Laptop: Dell XPS 13 9360: 5V/3A max. HP Spectre x360: Port 1: 5V/3A max., Port 2: 5V/0.9A max. Mi Book 15": Port 1: 5V/3A max., Port 2: 5V/1.5A max. MacBook Pro 13" w/touch bar: Port 1-4: 5V/3A max. HP Chromebook G1 13": Port 1: 5V/1.5A max., Port 2: 5V/1.5A max. Smartphone: Samsung Galaxy Note 9: 5V/0.5A max. Huawei P20 Pro: 5V/1.5A max. Mi 8: 5V/1.5A max. Monitor: Lenovo T24m: 20V/2.25A max. Lenovo T24h: 20V/2.25A max. Acer PE270K: 20V/2.25A max. (wakeup power logic is wrongly designed for all Acer models) ASUS MX27UC: 20V/2.25A max. LG 27UK850-W: 20V/2.25A max. Dell U2419HC: 20V/3.25A max. (Does not support USB-C video output to GLK-UC2X)