Charging station feature (4)

I believe the answer is:

plug

(Other definitions for plug that I've seen before include "Stopper - advertise" , "Stopper - advertisement" , "Promote" , "Good word" , "See 19" .)

I've seen this clue in The New York Times.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.