Meet the PixelCable: an app controlled USB charging cable with an OLED screen that can display animation, real-time battery %, and charging power output. It provides up to 100W PD fast charging for your laptop. This cable comes with USB-C and Lightning heads. It works with the QCharger app to let you easily change animation.
PixelCable can even display text messages as boot animation. Its firmware can be upgraded from your phone. You can find out more about it here.