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I have a laptop with a recharger (also known as an AC adapter), this is how it looks like:
When I disconnect my laptop from the charger, does it (the charger) still consume (waste) electricity?
EDIT:
I am trying to do math, how many kW I waste every year to keep my adapter plugged in the whole time. I tried to read how much watts does it take, but I am not good with that kind of stuff, so here is some info:
INPUT : 100-240V~50-60Hz 1.5A(1,5A)
OUTPUT: 19.5V(19,5V) --- 4.62A(4,62A)
Does this info help to do the math?
There is 8760 hours in year.
Apple provides some information about its power adapters in its environmental reports. The power adapter of a 2013 Macbook Pro 13 inch uses between 0.004W (100V) and 0.019W (240V) without load.
– Daniel Beck – 2014-01-28T14:13:54.157