Will charging your Galaxy phone overnight damage the battery?
Quick answer
Absolutely not! Your phone’s battery will not be at risk of overcharging if you leave it plugged in overnight. Modern smartphones are equipped with smart charging technology that halts the charging process once the battery reaches full capacity. The charger only kicks in occasionally to top off the battery, maintaining it at 100%. These are called "maintenance charges," and they ensure that your battery remains full until you unplug your phone.
Optimizing battery health
While it is technically recommended to unplug your phone once the battery reaches 100% to help extend its lifespan, the actual benefit is quite minimal. Is it worth interrupting your sleep to unplug your phone? For most, the answer is no—comfort and a good night’s rest are far more beneficial. Instead of unplugging at night, a more effective way to extend your battery’s life is by adjusting settings such as reducing the screen timeout delay, which can extend its lifespan more effectively.
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