Does A Phone Charger Use Electricity When Not In Use. Any charger that is plugged in at the wall and not switched off at the socket will still use some electricity even if its not plugged into the device it is meant to charge. Most wireless chargers are cleverer than a dumb charger wart.
The power supply the little brick on your phone charger for example converts that energy and tremendous advances have been made in the past two decades that make that process more. Any charger that is plugged in at the wall and not switched off at the socket will still use some electricity even if its not plugged into the device it is meant to charge. They turn themselves off and only use power when a phone is detected.
I measured it with no devices being charged just now.
Since the charger is not connected to the laptop the load it will result in a waste of electricity but it would be a very very small amount. Answer 1 of 15. Sony power brick AC-L15A charger for my camera. They turn themselves off and only use power when a phone is detected.
