faq

Does it have built-in battery?
No, however monitor can be powered directly by a laptop or smartphone

When do you need external power source (5V/2A minimum.)?
1.) Using Samsung DeX mode or Nintendo Switch
2.) Your phone or laptop USB-C port cannot output more than 5V/1.5A
3.) You are using only HDMI input (because HDMI does not carry power)
4.) You want to get the maximum brightness and volume