Does charging your phone overnight damage the battery?

The answer given by experts is yes. The harmful effects of the habit of regularly charging overnight are easily recognizable, such as the phone's battery is easily damaged, its lifespan is reduced faster because plugging the phone overnight or continuously for many hours after 100% charging causes the battery aging process to be accelerated.

As the battery ages, it becomes less effective in storing and supplying power to the device. Battery capacity decreases rapidly over time and the battery charging speed also slows down.

Does charging your phone overnight damage the battery? (Illustration).

Should I charge my phone overnight?

According to recommendations from mobile phone manufacturers, charging for a long time after the battery is fully charged or charging overnight will affect the health of the battery and the device. Therefore, users should only charge the phone until the device shows full or almost full battery then disconnect the charger, should not regularly charge overnight.

Normally, today's phones are equipped with an automatic shut-off feature when fully charged to 100%. However, the nature of this mechanism is that the device continues to use energy while fully charged, causing the battery level to drop from 100% to 99%, causing the device to continue to activate charging again. This process, when repeated continuously, especially when plugged in overnight, greatly affects battery life.

Instructions on how to properly charge your phone overnight

Many phones today have built-in battery charging control features that support safer overnight charging. Typically, from iOS 13 onwards, Apple added an optimized battery charging function that analyzes user habits and ensures that it only charges at high speed up to 80% of the battery, then limits the amount of power charged to the device if it detects frequent overnight charging.

This iOS battery charging optimization feature is enabled by default, but users can also check and activate this overnight phone charging feature by opening "Settings", selecting "Battery", selecting "Battery status" and finally selecting "Optimal battery charging".

Does charging your phone overnight damage the battery? - 2

With Android devices, manufacturers offer more options with certain battery control functions on each device line. On Android phones, you open "Settings" then select "Battery Management" and activate the features equipped on the device. In addition to the available features, you can also download and install a third-party battery management application such as AccuBattery, to control and monitor the battery status of the phone to safely charge overnight.

Despite being equipped with the above features, experts also advise that users should not charge their phones overnight regularly and should charge their phones whenever possible without waiting for the battery to drop below 20%.

Tips for charging your phone battery properly

Here are some tips for charging your phone properly and safely for you to refer to and implement to extend battery life:

- You should charge your battery whenever and wherever possible, try to keep the battery level between 65-75%, avoid letting your phone run out of battery, turn off, and then charge.

- Do not charge the battery to 100% full because continuously leaving the battery full can cause the battery charge to always be high, reducing battery life.

- Do not charge and use the phone at the same time.

- Use only genuine charging cables and chargers that are compatible with the phone you are using.

- You should turn off the phone when the battery is low and you haven't had time to charge it.

- Turn off the phone while charging to effectively shorten the charging time.

- Do not leave the battery charging overnight regularly.

The above article helps answer the question of whether charging your phone overnight is harmful to the battery, right? No matter what phone device you are using, manufacturers do not recommend charging your phone overnight regularly, because this will harm the battery, the device, and even affect you.

Khanh Son (Synthesis)

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