Technical explanations

What is the correct way to charge the mobile battery?

Do you own a smartphone that you want to preserve its battery? We show you the correct way to charge the mobile battery based on the advice of major companies specialized in the manufacture of smart phones such as Samsung, Xiaomi, OPPO, Huawei and others.

Our smartphones contain many modern features and advanced technologies, yet they become useless pieces of metal without the right amount of energy that would allow us to use and enjoy them.

Naturally, there are many users who are very concerned about how to preserve the life of their phone batteries for the longest possible period of time. Although smartphones have evolved like never before over the past decade, there are many of us who lack a lot of knowledge about how they work.

As a result, many false rumors appeared about the correct ways to charge the phone battery and how to protect it from corrosion and time deterioration. So, if you really want to take care of your phone and keep it for the longest possible period of time, here is a set of the most important and prominent tips and instructions that may help you achieve this.

How can your phone battery store its charge?

In order for you, as a user, to know the correct ways to charge your phone and maintain its life span, you should know in the first place some important things about smartphone batteries, the most important of which is that modern phone batteries are made of Li-ion, and these batteries charge and discharge themselves automatically. Through chemical reactions that occur via electric current.

As lithium ions flow from the positive electrode to the negative electrode during the charging process, and then flow back from the negative electrode to the positive electrode during use.

Fortunately, lithium-ion batteries have evolved well over the past few years, becoming smaller, safer, and lasting longer periods of time in use.

These batteries are very safe, much better than the old nickel-metal hydride batteries that get very hot during use and at great speeds, and suffer from physical deformation over time and with long-term use, in addition to all that, they only need to be charged when they are depleted Completely 0% as a result of the “memory effect” problem she was suffering from.

What factors affect the safety and condition of modern batteries?

In fact, the life of a battery is determined during its manufacture, but the charging behaviors and habits of the user themselves can actively affect the physical condition of the battery.

These habits may preserve the battery for longer life periods, or may cause it to wear out quickly and have shorter life spans.

1- Charging and discharging cycles:

All smartphone batteries have a set number of charge/discharge cycles which range from 300 to 500 charge cycles. A charge cycle means going from a 100% full battery to a 0% empty battery and back.

But phone batteries work more complicated, as one charging cycle requires a few charges to complete a full cycle, and therefore it is difficult to accurately calculate the number of cycles that you have consumed. But in all cases, battery life will decrease over time and with continued use.

The question now is how do you slow down the process of charging cycles completing so quickly? Certainly, the answer to this question will be by paying attention to your phone charging habits and whether the correct way to charge the mobile battery is the one you rely on or not.

2- High temperatures:

All smartphone manufacturers recommend that the phone should be kept in temperatures as low as 0°C to 35°C.

But all smartphones are designed to turn themselves off if they get too hot, or at least they'll tell you that they're too hot and need to cool down before you can use them again.

Although this feature will keep your phone safe from temperature hazards, it may cause you to be restricted if you want to use your phone in some necessary scenarios, on the go or under high temperatures.

The other thing is that high temperatures are one of the most important factors that cause battery damage quickly, because high temperatures cause moisture to be retained inside the battery, which results in damage to its chemical parts over time.

3- Charger:

There is a rumor that it is necessary to use the original charger that came with the phone, which is not true. The whole point is cheap, poorly made chargers. These chargers are not designed in accordance with industry and public safety standards, and lack the technical and technological guarantees that exist in the original chargers that came with the phone.

Unfortunately, cheap chargers not only damage the battery, but can also cause the phone to explode. For this reason, modern batteries contain electronic chips built into them that regulate the process of passing the electric current coming to them from the charger. Thus, even if you use a charger faster than the normal rates supported by your battery, there is no risk, because the battery will regulate the electric current as it is estimated by the factory.

The correct way to charge the battery

There are many sayings about the correct way to charge the battery, but according to the latest studies and according to some tips provided by major mobile companies, we show you on Review Plus the correct way to charge the mobile based on the above.

To summarize the matter in a simple list, we show you the most important tips, but for your information, it is not the best way to charge the battery, but some steps that you should rely on when charging your phone.

  • Avoid high temperatures, especially during charging
  • The charge percentage must not be less than 20% and not more than 80%.
  • Leave the phone at 50% charge if you plan not to use it for several weeks
  • Avoid cheap chargers
  • Avoid over or under charging

This is the correct way to charge the mobile battery, but to delve deeper into the matter and to understand the implications of each tip in the previous list, we show you the reasons for choosing these tips.

First tip: Avoid high temperatures, especially while charging

Temperatures are the first and last enemy of mobile device batteries. If you want to keep your phone's battery life as long as possible, you should avoid exposing it to very high or very cold temperatures, even to keep its internal parts from corrosion and rapid degradation.

In most cases, leaving the phone under the bright sun in the hot seasons of the year or leaving it in the car drawer or anywhere around hot air is what causes the phone’s temperature to rise to its extreme limits.

So, it is necessary to keep your phone in the shade as much as possible, especially while charging the battery.

Just whatever happens, don't try to put your phone in the fridge or anything like that, because extreme cold temperatures will also cause the phone's battery to wear out very quickly.

Just try to take off the phone case for a while because the phone cover often causes high temperatures to be retained.

Also, do not try to charge the phone frequently in poorly ventilated places. In addition, it is better to avoid using the phone while charging, given that the bright lighting emitted from the screen and the heat of the internal components will cause the temperature to rise rapidly, which results in a high temperature of the battery during the charging phase.

You might be better off turning off background apps and lowering brightness levels, or turning on auto-brightness and turning off location services while charging.

If you want the best advice, it is to activate the flight mode during the charging process, this step will not only help to keep the battery at a safe temperature, but it will also help to charge the battery in a faster period of time. Also, if you want to charge your phone faster, you can activate the "Power Saving" mode.

 The second tip: The best percentage of charging the phone battery is between 20% to 80%

If you are looking for the correct way to charge the mobile battery, then you should not try to let your phone battery drain to 0% because this process will quickly damage the battery and you have to know the best percentage for charging the phone battery, there is no longer such a thing as “battery calibration” as we used to do with lead acid batteries.

Charging capacity drops to 0% will cause stress to the battery while it is connected to the charger because it will be hungry for charging, which causes its temperature to rise, especially if your phone supports fast charging.

All phone manufacturers advise keeping the charging percentage between 20% and up to 80% or 90% as a maximum. However, there are no risks from overcharging the battery, because as we mentioned a little while ago, all batteries are designed to stop the charging process once it is fully charged to preserve its default life.

In addition, most phones are designed to turn themselves off before the battery reaches 0%.

Tip 3: Leave the phone at 50% if you plan not to use it for an extended period of time

Apple advises us that it is necessary to turn on the phone every 6 months so as not to damage the battery, and it is better to charge the phone by 50% if you plan not to use the phone for a longer period of time.

Additionally, it is essential to keep the phone in a cool, dry place when storing it to avoid damage to the battery over time.

Tip 4: Avoid cheap chargers, and rely on fast charging sparingly

Cheap, poorly made chargers may cause damage to the phone and severe damage, especially in humid environments such as toilets, since these chargers lack standards and guarantees of quality, safety and public safety. Also, avoid using bad cables, as they will cause an exaggerated delay in the charging process.

At the same time, it is better to rely on fast charging in moderation, as it is not necessary to rely on fast charging every time you need to charge your phone, and this is because fast charging causes an increase in chemical reactions within the battery ions, which results in a high temperature of the battery.

Fifth tip: Avoid drop shipping

Trickle charging is when you leave your phone connected to a charger after the charge capacity is 100% full. Naturally, after the charging capacity is complete, the percentage will drop to 99%, then the battery will start charging again until it is 100% complete, then it will drop to 99%, and so on.

This is trickle charging and it happens all night, but if you have to charge your phone during the night, at least make sure to leave the phone connected to the charger in a well-ventilated place so that the high temperature does not negatively affect the condition of the battery.

These were the most important tips on the correct way to charge your smartphone battery. You should also use a good charging cable and a good charger so that your phone does not have problems while charging.

Ibrahim Turki

I have been working in the electronic press for years and have a passion for reading and writing about various technical news. You'll find me writing about computers, smartphones, operating systems, applications, and even networks and the Internet. I always strive to provide elegant and simple visual content that suits technology followers in our Arab world.
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