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Is it true that leaving a mobile phone charger plugged in and switched on uses energy, even if it’s not connected to the mobile phone?

April 26, 2017charger connected energy leaving Mobile Phone plugged uses

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Is it true that leaving a mobile phone charger plugged in and switched on uses energy, even if it’s not connected to the mobile phone?

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Yes it is true that most plug-in chargers continue to use power even when they are not connected to the mobile phone. A study in Australia found the average power was 1.2 W and each home had on average seven chargers. If they were all left on for a year this would add £7 to your electricity bill.