According to Battery.com.cn, laptops are now very popular, whether they are used outdoors or indoors, especially outdoors, where the notebooks are powered by batteries. Over time, we will find that the battery life is not as long as it started. It used to last for 3 hours, and now it can only last for 2 and a half hours. How is this going?
Life time is shorter, not the problem of the battery itself
For batteries that have been used for less than one year, the battery life is shorter, often because the battery is aging normally, but because the battery BIOS has misjudged the battery power during multiple charging and discharging processes. Originally, the battery still has a certain amount of power, but the BIOS mistakenly believes that the battery is exhausted, so that the notebook is forcibly shut down. If there is such a situation in which the battery life has shrunk, don't be busy with the conclusion that the battery quality is a problem, and you can use the "battery correction" as a simple and easy way to make the remaining power fully available.
Standard calibration method: use the battery correction function in the BIOS
Many brands of laptops have integrated battery calibration procedures in their BIOS. The general English phrase is called "Battery Calibration", which means "battery calibration." Direct access to the BIOS can complete the battery calibration operation, taking the Asus notebook as an example, simply talk about how to operate, other books operate similarly.
Step 1: Turn on the computer, press [F2] after entering the startup screen to enter the BIOS menu; use the left and right arrow keys to select the Power menu.
Step 2: Go to the Power menu and you will see the “Start Battery Calibration†option (Figure 1), select it and press Enter to execute.
Figure 1 Select the "Battery Correction" program
Step 3: At this time, the screen will turn blue and there will be an English prompt. Plug in the notebook's power adapter to charge the battery. When the battery is fully charged, the screen prompts the user to disconnect the power adapter (Figure 2). The notebook then continues to discharge the battery until the battery runs out.
Step 4: This process takes a while, after the battery is exhausted and automatically shuts down, then connect the power adapter to charge the battery, but do not turn it on. After the charging is completed (the charging indicator is off), the battery calibration process is completed.
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