When a laptop battery is used for a long time, it often appears to be undercharged or the battery life is drastically reduced, or even shows that the battery has been damaged.So what are the laptop battery repair methods?Let's take a look at the next.

Laptop battery repair methods: third-party software to fix the battery

If the old laptop has been upgraded to Win7, you may want to use Win7 built-in features to fix the battery, by going to the Power Options screen and selecting High Performance Power Plan.After clicking Change Plan Settings, set all options under Use Battery to Never, and set Adjust Brightness Plan to Maximum.
At this point, click Change Advanced Power Settings, expand Wireless Adapter Settings Energy Saver Mode, and set Use Battery to Maximum Performance.
Expand Battery low level battery level notification and set Use battery to Off.After saving the settings, close all applications, when the battery is fully charged, unplug the AC adapter and use the battery power until it is exhausted and then automatically shut down, finally, the battery can be fully charged in the shutdown state.
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Laptop Battery Repair Method: Fixing Battery in Laptop

If the laptop does not have a built-in battery correction tool, you may want to correct the battery at this time with the help of Batcal software.Take BenQ S42 laptop for example, after two years of use, the battery life is only about 50%, at this point connect the AC adapter and charge the battery until it can't be charged.
Run the Batcal tool and click the SetSlowDischarge button to select the slow discharge mode.Click the BeginCalibration button, then the Power Options window will pop up, at this point it is recommended that you select Portable/Pocket mode and set all items under the usage scheme to Never.
Close the screen saver as well, click the OK button, then you will be prompted that you are discharging, after the discharge is complete, a prompt window will pop up prompting you to unplug the AC adapter, when the battery is completely exhausted, the system will automatically shut down, then just plug in the AC adapter and charge it normally.If you want to discharge quickly, you should select FastDischarge mode, while the screen brightness to the highest, and in the discharge process can not operate the laptop.

Laptop Battery Repair Method: Using Featured Correction Tool

In order to facilitate the user to fix the battery, some notebooks will be integrated in the BIOS battery correction tool, here to Asus A6JA notebook for example, to explain the method to fix the battery in the notebook.
First charge the battery, make sure it can be turned on properly, and press F2 to enter the BIOS setup interface while booting.Switch to the Power menu and set the LCDPowerSaving option to off, i.e. turn off the display power saving mode.Position the cursor to the StartBatteryCalibration option, enter and it will enter the battery level calibration prompt screen, make sure the AC adapter is plugged in at this point.
Wait for a while to let the notebook charge the battery, when the PleaseremoveACadapter message appears on the screen, it means the battery is fully charged.Then unplug the ACadapter, let the notebook keep on until the power is depleted, the battery will automatically shut down when it is discharged, and then connect the ACadapter to charge it.