You first ask about the energy consumption of a device left plugged in after it has been fully charged. Since you're asking about two specific instances, I'll address those first and then broaden the discussion in the Nitty Gritty. Beyond computers, vampire energy consumption can be traced back to a bewildering number of sources, many of which we've just mentioned.
What's to be done?įor starters, rest assured that you're alone in neither victimhood nor curiosity- the very first SAGE column tackled a question about the energy use of computers in standby mode. Even when turned off or in standby mode, these energy vampires continue to feed on the lifeblood of your electricity. The small rechargeable appliances you mention are all guilty of wasting watts, as are other common household electronics like computers, televisions and microwaves. Not the bloodthirsty sort from Twilight, but energy vampires: appliances that silently suck electricity from your wall outlets and discreetly inflate your power bill. Q: Regarding small, rechargeable appliances-such as cell phones, toothbrushes, cameras, etc: How much energy is consumed when the unit remains plugged into its charger after it has completed charging to 100-percent capacity? Also, does the charger (with no unit attached) consume energy if it remains plugged into the wall outlet?Īsked by Cecilia Lam, '86, Scottsdale, Ariz.īelieve it or not, there are vampires lurking in your house at this very moment.
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