How to repair laptop battery laptop battery repair tutorial

How to repair a laptop battery? Unlike a desktop computer, the battery is not only one of the most important components of a laptop computer, but also largely determines its ease of use. IDC's research report shows that, compared with factors such as weight, display size, backlight, etc., the battery life of laptop computers is the most concern of users. Below, let's take a look at common laptop battery repair methods.

method one

1. Settings (this is the most important step that can repair the laptop battery to the best condition, please don't pay attention).

1) Open my computer-control panel-power options-power usage scheme, select the time parameter of using battery as never

2) Uncheck the two options of "Alarm" item, the purpose is to make the program not respond to the corresponding operation when the battery drops to a few percent, so that the laptop battery is really discharged, so that the battery itself corrects it The minimum power is synchronized with the curve 0%.

2. Charge and discharge.

After the above settings are completed, the battery is charged and discharged according to the principle of full charge and discharge, and the curve of the battery offset can be repaired back and forth two or three times.

Note: The battery must be fully charged when charging. The best way is to shut down and charge for a few hours or overnight, and then unplug the power supply to discharge, until the computer automatically shuts down. This is at least two cycles back and forth.

Method Two

Unstable factors in the use and charging of the battery will cause the capacity of the battery to decrease, but this decrease is not due to aging, so proper calibration can restore this part of the lost capacity. Therefore, regular battery calibration is a very necessary thing, such as once every 1-2 months.

Laptops such as Compaq and IBM provide battery calibration in the BIOS or power management program, so friends who use these two brands can follow the prompts. For those who do not provide this feature brand, you can follow my steps below:

1. Set the screen saver to "None"

2. In the Windows power management, set the power usage scheme to "always on", and set all the following menus related to shutting down the device to "never".

3. In the alarm tab, set the "low battery alarm" to 10% and the operation to "do not perform any operation"; set the "critical battery shortage alarm" to 3% and the operation to "standby".

4. The screen brightness is adjusted to the highest

5. Confirm that all windows are closed and all the previous work data is saved

6. After confirming that the battery is over 80% charged, unplug the power supply and all external devices. If the screen brightness automatically decreases at this time, please set it to the brightest.

7. OK, you can go to sleep, the notebook will automatically shut down after the discharge, and then plug the power supply to charge the notebook, pay attention to be fully charged before turning on, and then restore the power scheme to the setting before calibration. The calibrated battery can be used with confidence.

Method three

Use the battery refresh program to restore the battery's discharge time: Most brand laptops have a battery refresh program, which can be used to repair the battery. There is a software called "BatteryMon", there are many versions, is a small software specifically for laptop battery monitoring, can display the discharge curve, and will automatically run after installation.

Notebook computers and the batteries that they are equipped with, due to improper charging and discharging, cause the battery discharge time to become shorter and shorter, leaving less than 5 minutes. If you take the laptop to work outside, it is very inconvenient. What about discharge time?

Battery repair For the above situation, we can use the battery refresh program launched by ibm to refresh the battery to restore the discharge time. The specific methods are as follows.

1. Use alternating current to power the laptop, and download the refresh program for the laptop battery provided.

2. Restart the computer, press the f8 key to enter the boot menu, and select the safe dos mode.

3. Enter the directory where the file just downloaded, execute the battery refresh program isbr0lww, exe, after reading the warning message, insert the floppy disk as required, and then press Enter to perform the self-extracting operation.

4. Use this floppy disk to boot the computer, and the startingpc-dos ... prompt message appears on the screen.

5. Unplug the AC power supply as prompted and the program will automatically discharge the ni-mh battery. After the discharge is completed, the system will automatically shut down.

6. Since the battery temperature is high at this time, it should not be turned on immediately. After allowing it to cool for a while, plug in the AC power supply.

7. Boot the computer with a floppy disk. This time the autoexec.bat file will automatically run the refresh program and ask the user whether to proceed. After selecting yes, press Enter.

8. At this point, the program starts to refresh the battery. The process is very fast. When you return to the dos prompt a:>, it means that the refresh is complete.

9. Turn off the computer and charge the battery until the indicator light turns green.

10. Repeat the above process 3 times to get the best effect.

Method 4: Refrigerator freezing method

1. Wrap the battery in newspaper, wrap it in a plastic bag and put it in the freezer for three days (newspaper can absorb excess water)

2. After three days, take it out at room temperature and let it down for two days

3. Charge the battery two days later, fill it up, and then carry out the mobile phone wrapping test (estimated to save 80% -90%)

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