That gut feeling that tells you to sprint to unplug your phone the second it hits 100%? It’s time to let it go. That advice is ancient history. Modern smartphones are smart enough to cut off the power once they’re fully charged, so leaving your iPhone or Android plugged in overnight isn’t going to destroy the battery.
But let’s be clear: Just because it’s safe doesn’t mean it’s optimal. While you can’t technically “overcharge” the battery, keeping a lithium-ion cell pinned at 100% creates voltage stress, and the heat generated from sitting on a charger is the real, silent enemy of longevity.
It’s not about immediate damage; it’s about how fast your battery ages over time. Understanding the difference between what won’t break your phone and what will actually help it last is key. Here’s the truth about your charging habits.
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