Crossword Genius

What requires a charge to use, in two senses (10)

Ross

I believe the answer is:

smartphone

(Other definitions for smartphone that I've seen before include "Clever device" , "Multi-purpose mobile device" , "Advanced electronic hand-held device" .)

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.