Leaving Fully-Charged Devices Plugged In

Heaven or Hell

New Member
Is it a general rule to unplug devices when they're charged so that the battery doesn't get over-loaded or does it depend on the device? Like I heard some devices will automatically stop drawing power once they reach the full limit. I was kind of under the impression all charging devices work like this but apparently not.

Does a Dell laptop work this way?
 
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