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Is it OK to leave device chargers plugged in all the time? An expert explains
(theconversation.com)
This is a most excellent place for technology news and articles.
I mean, transistors and ICs do degrade over time, hovewer, out of all the power supplies I've repaired, the vast majority had dead caps, and those kinda tend to dry out with time regardless of whether they're in use. So, kinda negligible, just like the power consumption in standby.