11 Top Charging Mistakes That Kill Your iPhone Battery Life

You might know that iPhones have been notorious for their battery life and there have been several controversies around it lately. If you are experiencing poor battery life on your iPhone, then it need not be all because of Apple.

There are several mistakes that most people do which kill the performance of an iPhone’s battery.

Most people search the internet about how to calibrate iPhone battery. However, you should understand that calibrating the battery isn’t a solution to improve your iPhone’s battery performance.

Therefore, to improve the battery performance of your iPhone, it is essential that you avoid committing mistakes that decrease the efficiency of your iPhone battery.

To help you improve your iPhone’s battery life, I have come up with this blog.

Here, you will come to know the proper way to charge your iPhone’s battery and what worst charging mistakes are killing your iPhone battery.

Charging Mistakes That Kill Your iPhone Battery Life

Now it’s time to show you some big charging mistakes that kill your iPhone battery health.

So let’s walk through them:

1. Leaving Your iPhone Plugged After 100% Charge Extensively

Most of us charge our phone overnight which means that the phone is kept plugged in even after being completely charged to 100%.

Even though charging your iPhone overnight won’t cause immediate trouble, it definitely affects your battery performance in the long run.

You should always remember that the charge should be kept between 20% and 80% every time.

iPhone battery

2. Not Allowing Your iPhone To Cool Down

These days, the iPhone’s are so powerful that it lets you run graphic-intensive games, productivity apps, browse the internet, etc. all at the same time.

When extensively using the phone and using all its resources, it is normal for your iPhone to heat up and it can be very evidently felt on the rear of the phone, where the processor will be located.

not allowing your iPhone to cool down

If the phone is producing a lot of heat, it means that the internals is peaking their capacity, and hence more battery consumption will happen.

Therefore, it is essential that you give your iPhone a few minutes to cool down when it begins to overheat. Doing this will surely increase the lifespan of your phone’s battery.

3. Letting Your iPhone Battery To Drain Completely

Another common behavior of smartphone users is to let the battery on their device reach 0% before plugging it in for charging. This is again a habit that affects your iPhone’s battery life, just like overcharging.

It is always recommended that you plug in your iPhone for charging when the battery backup decreases below 20 percent.

Also, to ensure maximum battery life and performance on your iPhone, make sure to keep your phone charged between 20 percent and 80 percent at all times.

This ensures that your phone is neither overcharged nor emptied, thus making your battery function efficiently.

keep your iPhone battery to drain completely

4. Charging Your iPhone Using Fake Chargers

Well, it’s a known fact that iPhone charging cables aren’t really built to last, and the original replacement cables are costly too.

The same issue applies to the charging socket as well. So, many people opt to buy a fake charging socket or cable for their iPhones to save money.

Instead of saving money, fake chargers are definitely going to cost you way more money. Fake chargers, as expected, have a low standard and quality, and the same is quite evident during charging as well.

When you use a fake charger to fill up your iPhone’s battery, it will take a longer time to charge your iPhone than when the original charger is used.

Moreover, fake chargers also tend to heat up the iPhone way too much, something that isn’t experienced with original chargers.

iPhone charger 1

Thus using fake chargers clearly affects your iPhone’s battery directly. An even worse scene would be your iPhone exploding because of a faulty charger, which can harm you as well.

5. Wireless Charging Your iPhone

Yeah, wireless charging is quiet and often functional. However, when your iPhone is regularly charged wirelessly, it affects battery performance.

This is because wireless charging pads produce heat while charging your iPhone, which in turn increases the heat of your device, thus affecting the efficiency of your device’s battery.

wireless charging your iPhone

So, even if you do use a wireless charger, it is advised that you do not completely charge your device using it. And connect your iPhone using a charging cable and socket, which is a better and harmless choice.

6. Using Your iPhone While It’s Being Charged

Plugging the iPhone to charge and continuing to use it while it’s being charged is another common behavior. Again, this increases the load on your iPhone’s battery as it is simultaneously being charged and discharged.

To avoid this situation, try to plug in your iPhone when not in use and stay away from using it while being charged.

using your iPhone while it is being charged

7. Leaving iPhone To Charge Overnight

Many users have this habit that they plug their phone to charge before sleeping and keep it on the whole night. This is yet another reason to decrease the performance of the phone’s battery.

Doing this will really spoil the charging cycle of your device and its total health.

So it is advised to put your phone in charging mode when you are not sleeping.

Leaving iPhone To Charge Overnight

8. Charging The iPhone Via Laptop

Many users charge their phones using their laptops. This works when your phone discharges and you don’t have time to find where the charger is and you immediately plug your phone into the laptop.

This is a common thing that almost every user does but this can harm your iPhone’s battery health.

Charging The iPhone Via Laptop

Therefore, avoid charging your device using a laptop to increase the performance of your iPhone’s battery.

9. Keeping The Charger Plugged In Socket

The common habit of maximum phone users is that they leave their chargers in the socket after charging their devices. This is really a bad habit and at the same time, it affects your charger.

Somewhere, the charger loses the power to charge the device after a certain time and can cause several issues like catching fire to nearby things as its transformer releases heat that slowly accumulates.

Keeping The Charger Plugged In Socket

10. Charging The iPhone Battery Even When It Is Above 20%

If you constantly charge your phone even when it is not required will also reduce the life span of your device battery. Most users charge their phone when it is above 20%.

this is completely wrong and you are killing your iPhone’s battery on your own.

Therefore, the best way to charge your iPhone is when it is actually required, that is when the charge comes to below 20% and above 5%.

Charging The iPhone Battery Even When It Is Above 20%

11. Check If Third-Party Apps Are Draining Battery

Users make lots of mistakes unintentionally and somewhere it comes on charging mistakes that kill your iPhone battery life. We install lots of apps on our devices without knowing that what effect they will have on our devices.

I mean to say that lots of apps are also responsible for draining the battery of your phone.

Therefore, you should always check and verify the app and download them from reliable sources.


Is it OK to use iPhone plugged in even when it's 100% charged?

According to Apple, you should charge your phone anytime you want and there is no need to discharge the device to 100 percent. Whereas some experts suggest that you should avoid charging the iPhone to 100% so that the lifespan of the battery increases.

Is it bad to leave iPhone 12 charging overnight?

If you leave your iPhone 12 to charge overnight then it can lose battery. Unlike other phones, iPhone 12 Pro has an average of 500 to 1000 charge cycles per battery. And one charge is almost equal to 100% to 0%.

Is it bad to use phone while charging?

There is no harm in using the iPhone while charging but some myth comes like battery overheating. But if it's not necessary then you can plug it out from charge and use it. Talking while charging can slow the charging process as the screen is ON and the apps running in background will use power.


Those are the 11 common mistakes that kill your iPhone’s battery health. I know that we users make a lot of mistakes while charging our devices and they are very common ones.

However, it is necessary to take some preventive measures to avoid draining the iPhone’s battery life fast.

We hope you found this article informative and if you have any doubts, feel free to talk to us by commenting below.

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