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You plug in your phone overnight, and in the morning, it reads 100%. Perfect.
After years of doing this, though, you’re probably wondering if this constant charging is quietly killing the battery.
The short answer is no. Keeping your phone plugged in all the time won’t ruin your battery. Modern smartphones are built with smart charging systems that cut off or taper power once they’re full, preventing the kind of “overcharging damage” that was common in older devices. So if you’re leaving your iPhone or
