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Home How To

How to Calibrate Battery on Android

muzzammil mpr by muzzammil mpr
February 1, 2018
in How To
0
HOW TO CALIBRATE BATTERY ON ANDROID
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Problems with batteries are often found in smartphones, so you should know what to do. If you notice that the battery life of the device has decreased, one option may be to calibrate the battery.

Table of Contents

  • How to identify battery problem
    • READ ALSO
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    • How to Fix “Running older version” error message in Among Us | Quick Guide
    • How to Install Google Sans Font on OneUI 3.0/2.5 for Samsung Galaxy Phones
  • Do I need to calibrate the battery?
    • What is Battery Calibration?
    • Myths about smartphone batteries
  • How to calibrate battery without root
  • How to calibrate your Android device with a root

How to identify battery problem

First, you must understand why the duration of the work has decreased. One thing is that the Android system incorrectly calculates the level of the battery and the other if the battery gets worse.

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This is the second question that should be clarified in the first place. If your smartphone has a removable battery cover, which is rare on modern models, turn off the device, remove the cover and check the battery. You should look for protuberances and leaks. The figure shows the appearance of a typical battery next to a molten battery. If the smartphone does not rest on the table, this may be one of the signs of a swollen battery.

Do I need to calibrate the battery?

If you are sure that the battery is fine, go ahead. If, even after trying to calibrate, you think that the reason is in the battery, you need to take the device to repair it. If you need to replace the battery, select the same copy from the manufacturer of the smartphone or from a reliable third-party manufacturer. Choosing a cheap fake can create problems in the future.

The device can have many other causes of problems. If the device does not charge, there may be a problem with the connector. If you just updated the operating system, the reason for the decrease in autonomy could be the following, therefore, try to delete the cache partition. A description of this process can be found on the Internet.

What is Battery Calibration?

The Android operating system has a function called “Battery Statistics” that monitors the capacity of the battery when it is charged or discharged. Sometimes this function fails and starts to show inaccurate data. As a result, the smartphone can turn off before the battery is actually discharged to zero. Calibrating the battery on Android means that you will make the system display the battery level correctly.

It is important to understand that you do not calibrate the battery itself, because it is just a cell where energy is stored. Lithium-ion batteries have printed circuit boards that protect against explosions and fires.

Myths about smartphone batteries

Lithium-ion batteries do not have memory, so users do not need to do anything special. The problem is how Android reads and displays the current capacity of the battery, not the battery itself.

Another myth is that deleting the batterystats.bin file magically calibrates your battery. On most devices, this file stores data about how much battery power is consumed when the device is not plugged into an outlet. This file is reset each time the charge level is over 80% and the charger is disconnected.

Batterystats.bin contains information that you can see in the settings in the “Battery” section. Here, Android tracks which applications have used up how much charge between recharging cycles. When it comes to calibrating the battery, this means that you have to adjust the percent meter.

How to calibrate battery without root

The easiest way is to fully charge the device and then fully charge. At the same time, problems with low voltage of lithium-ion batteries and the negative effect of complete discharge on the life cycle duration may arise.

Method 1

• Completely drain the smartphone until it turns off.
• Turn it on and wait until it turns off again.
• Plug the smartphone into a power outlet without charging it, charge until the screen or LED indicator shows 100%.
• Unplug this product from the wall outlet.
• Turn on your smartphone. The indicator may not show 100%, so turn the charger on again and continue charging the machine until 100% is displayed.
• Unplug the smartphone and restart. If 100% is not displayed, reconnect the device to an AC outlet until 100% is displayed.
• Repeat this procedure until you see 100% or as close to it as you load the unplugged unit.
• Wait for the discharge to 0%, so that the smartphone turns itself off.
• Charge the device fully again.

It is not recommended to repeat this process often. When the battery is discharged so much that the device does not even turn on, there is enough charge in the battery to prevent damage to the system, but it’s not worth the risk. This procedure should be performed no more than once every three months. If you need to do this more often, you have a big problem with the device.
A complete discharge of the battery harms it. The same can be said about the excess charge. Fortunately, the batteries are automatically turned off when they reach the safe limit, and when there is always a reserve there is a reserve.

HOW TO CALIBRATE BATTERY ON ANDROID

How to calibrate your Android device with a root

Some are sure that deleting the batterystats.bin file can help. This process is similar to the one described above, but one additional step has been added.

Method 2

• After you have completed all the steps described in method 1, install the Battery Calibration application, make sure that the battery level is 100% before starting, then restart the device.
• Start the application and calibrate the battery.
• Discharge the device to 0% to disconnect it.
• Charge the battery to 100%.

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