If i leave my charger plugged in and the switch is on without any device charging, does it ‘waste’ electricity? Why/why not?
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Chargers shouldn’t be left unattended, primarily because they’re a fire risk. The probability is small but the results are catastrophic. Many fires happen because of crappy chargers every year.
Chargers on standby don’t use a lot of power. It’s insignificant in terms of a personal power bill, but adds up to a substantial amount of *completely wasted energy* when multiplied by millions or billions of people.
Put chargers behind a power switch. Many power strips have one.
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