Does A Phone Charger Use Power When Plugged In. Cell phone chargers only use electricity when they are charging LaMay explains. The next part is AC to DC conversion.
When not plugged in most wall chargers for smaller gadgets like digital cameras cell phones MP3 players etc. Today though electricity use per capita is in decline back to levels previously seen in the early 1990s. According to my tests a genuine Apple iPhone charger uses in the region of 135W of power a month which equates to just over 15KW h a year which means that if I lived in Hawaii that charger.
Draw a fraction of the power they use when charging something.
Using a wireless charger took on average 2101 Wh. I have a bad habit of keeping my mobile plugged in for hours at length not just at night for charging but also during day time at work so that it may not lose its battery power while the mobile acts as my wifi rout. Cell Phones use approximately 2 to 6 watts when charging while a charger left plugged in without a phone will consume 01 to 05 of a watt. When not plugged in most wall chargers for smaller gadgets like digital cameras cell phones MP3 players etc.
