How to keep your laptop battery in good condition


The battery is a basic component for laptops since its good condition depends on the autonomy time and the correct way of operation of our computer. Nevertheless, it is a fact that over time it loses part of its original capacity and at some point it becomes unsuitable for use and in this case its replacement is of course required.

In order to be able to keep our laptop always in shape and its battery in the best possible condition we must follow some rules faithfully. The common question many users ask is: Do I need to have my laptop plugged in to the charger even if my laptop battery is fully charged? Having a fully charged battery and our laptop plugged in is not harmful to our computer because as soon as the charge level reaches 100% the battery stops charging and this energy is bypassed directly with the laptop power supply.

However, there is a downside to keeping the battery in its slot when the laptop is plugged in, but this only applies if excessive heating is caused by the laptop's hardware during operation. 

So, for a normal use, if our laptop does not raise high temperatures (CPU and hard disk from 40C to 50C) the battery should remain plugged in the laptop, however if temperatures above 60 ° C are produced, the battery should is removed, in order to avoid unwanted heating since heat is the biggest enemy of the battery.

This is not only true when the battery is in use but even if you have removed the battery from your laptop, which simply means that you should store it when not in use in cool places with the least humidity.

Prolonged storage should be done at a 40% charge level and in a cool place. Some experts recommend putting the battery in the refrigerator as 0C is the ideal temperature. If you do, use a sealed plastic bag to keep moisture away. Before using or recharging, allow it to reach room temperature.

We must not allow the device to discharge completely, only once every 30 incomplete discharges. The more intense (energy) use we make, the shorter the battery life becomes. Netbooks do not have high energy requirements by nature, so it is a given that their battery life will be longer. A tip to avoid excessive and unnecessary consumption is the following: Do not let your laptop completely discharge.

If you do not want to create a problem with the battery, it is best not to let it reach 0%. Laptop batteries contain a capacity meter that lets us know the exact amount of energy stored. However, due to discharge charge cycles, this sensor tends to become inaccurate.

Some laptops include in their BIOS the proper tools to recalibrate this battery meter, which is nothing more than a full discharge followed by a full charge. 

Thus, to calibrate the meter, for every 30 discharge cycles, a full discharge should be performed followed by a full charge as well. Let's see now how we can keep our battery as fresh as possible.

This is a free software that will help us to always be aware of the full charge cycles of our battery so we know when to discharge it and fully recharge it.

However, it can also give us a lot of other information such as CPU and hard drive temperature in real time, the ability to automatically select a power plan, and the ability to suspend certain operating system features that help degrade autonomy (Windows Vista only or later) such as turning off Windows Aero and window transparency, which requires speeding up the graphics card, and turning it off will help increase battery life. Suspending these services has absolutely no negative effect on the performance or security of your system.

How to perform a calibration (full discharge)? The most suitable method to make a complete discharge (100% to at least 3%) consists of the following procedure: Fully charge the battery to its maximum potential (100%), let the battery "rest" fully charged for 2 hours or more in order to cool down from the charging process.

Disconnect the power cord and set the computer to automatically hibernate at 5% if you can not select 5% then you should use the minimum value, but never below 5%. To store a battery for long periods of time, its capacity should be around 40% and it should always be stored in a cool place with the lowest possible humidity.

If you are planning to buy another battery, it is recommended that you do so only when the battery power is very low. In addition, when buying a battery you should pay attention to the date of manufacture.

The advantages of using it, is that it allows you to have control over the number of charge cycles, and when it reaches 30 (or another configured value), it tells you that it's time to perform a full discharge in order to keep the battery meter properly calibrated. 

Calibrate your battery meter with a full discharge (to your laptop's cut-off point) every 30 charge/discharge cycles. (about once a month). If you use your laptop for a long time plugged in, you can extend your battery life by removing it and storing it in a cool, moisture-free place.


This is a free, very useful application that will help us for the purpose we have chosen. Its operation is simple, after running the program, we must configure it correctly, so that it recognizes and tests the characteristics of our battery and finally automatically selects the appropriate way to optimize its use. At the same time we will not verify in this way the real - physical condition of our battery.

The Battery Optimizer will scan your laptop to determine how to manage your laptop battery, and then provide the recommended along with estimated actions and other battery management features.

You can set it up to track your battery usage over time and set it to alert you when your battery usage increases beyond a certain level. 

The application uses the most advanced technologies that will help you safely diagnose the battery capacity of your laptop, and will help you optimize - monitor and perform the battery.

As you can see on the top right of the program menu there is an indication Battery Health. This is probably the most important clue we need to consider before moving on. The indications that we will get depending on the condition of our battery are divided into 4 basic categories. The health of your battery is excellent if the battery health rate is above 90 % which means that the maximum capacity of your battery is at least 90% of its original capacity.

 Your battery life is good if your battery life is in between 50-89% which means that your maximum battery capacity is between 50 - 89% of its original capacity. 

The health of your battery is of poor quality if your health battery rate is between 20-49% which means that the maximum capacity of your battery is between 20-49% of its original capacity and finally if its health percentage is below 20 %  means that your maximum battery capacity is below 20% of its original capacity and you should definitely replace it.


To optimize the performance of the battery we will need to test it by clicking on the option Optimizing Battery Life as you will see in the next tab there are two options, the Express Scanning Mode (fast scan mode) which is both the fastest and the test will be completed in about 8 minutes and the Comprehensive Scanning Mode (Complete scan mode) which is complete and will last longer, but you will have more accurate results. Unplug your laptop, select your preferred scan mode, and click "Begin Diagnostic"

IMPORTANT: Do not use your laptop during the scanning process. 

After the tests you will see the performance rating of your battery. From there, the application will take over the management of the battery operation on your computer, informing you accurately about its health and the time remaining until it is discharged.

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TAGS: selected , PC tools

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