[ELI5] What’s happening when a charging battery is full, but still keep receiving power ? (Smartphone stay plugged all night for instance)
In: Technology
The battery itself stops being charged. Putting more energy in would damage it, or could even start a fire — it’s like putting too much air into a balloon.
But, the phone itself needs electricity too. So the charger keeps giving enough electricity so that the battery doesn’t have to do any work until you unplug the phone.
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