For example, the Raspberry Pi 4 consumes approximately 2.7W when idle compared to the 1.9W draw of its predecessor, the 3 B+. If there's not enough power running to your Pi, you'll receive a "low ...
The Raspberry Pi 4 has been in the hands of consumers for a few days now, and while everyone seems happy with their new boards there are some reports of certain USB-C power supplies not powering them.