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Does Keeping Your Phone Charger Plugged In Waste Electricity. Yes its safe to leave your smartphone plugged into the charger overnight. Always leaving a laptop computer plugged in even when its fully charged can use a similar quantity45 kilowatt-hours a week or about 234.
Mobile Charger Power Consumption Calculation Electrical4u from www.electrical4u.net
If you thought simply having your phone charger plugged into a wall outlet all day was running up your electric bill then think again. What if you leave your phone charger plugged in all. Cell phone chargers only use electricity when they are charging LaMay explains.
The truth is that leaving the phone charger switched on uses about 001 kWh per day.
The amount is minimal but measurable. Most chargers are not cut off and have some minimal ghost power used while on and plugged in but not charging anything. Always leaving a laptop computer plugged in even when its fully charged can use a similar quantity45 kilowatt-hours a week or about 234. Though many people do it anyway others warn that charging a phone that is already fully charged will waste its batterys capacity.
