Does Leaving Charger Plugged In Use Electricity. About leaving your Inspiron plugged in 247. Many people assume that a plugged-in device when not in use will not consume electricity.
If you leave your phone charger plugged in does it use electricity. So put very simply leaving your charged phone attached to the charger uses 10 times the energy that leaving the charger dangling would. Thats the best way to kill your battery.
A spokesperson for the Energy Saving Trust adds.
As stated earlier leaving your electric car charger plugged in for an extended period is safe. A phone charger thats plugged into the wall but not charging anything uses a maximum of 1 watt per year. Answer 1 of 13. Thats the best way to kill your battery.
