Battery.com.cn: It is said that notebook computers have become a fashion today, more and more people have given up their desktops and started to choose books. Not only does it have a big advantage in portability, but more integrated hardware makes it take up less space. One of the most important reasons is that the use of rechargeable batteries is one of the advantages of laptops versus desktops, which can greatly facilitate the use of laptops in a variety of environments. And with the advancement of the battery technology level, notebooks with long battery life are endless. Today, I talked about the laptop battery . With the passage of the notebook, many friends obviously feel that the battery is aging and the battery life is shortened. In addition to buying a new battery, is there a way to repair the battery? The fundamental reason is that overcharge and overdischarge cause permanent damage to the positive and negative electrodes of lithium-ion batteries, which is the life of the battery. More importantly, if the charging process is interrupted by accident, the internal chemical reaction will undergo complicated changes, which may affect the battery life. For this reason, deep discharge and charging is a good solution for protecting laptop batteries. Many brand-name notebooks have dedicated discharge software. If your notebook does not have a dedicated discharge software, you can follow the steps below. First disable the screen saver, set the power scheme to "always on" in Windows Power Management, and set the "Low Battery Alert" to 10% and the action to "No Action" in the Alerts tab. Then set the “Battery Critical Shortage Alarm†to 3%, the operation is “Waitâ€, and the screen brightness is adjusted to the highest. Save all previous work data and confirm that the battery is charging more than 80%, unplug the power supply and all external devices. After the discharge is finished, the notebook will automatically shut down, and then plug the power supply to charge the notebook. This process can be repeated 2 to 3 times. In fact, the purpose of this practice is to allow the battery to continue to discharge at a small current, which is impossible to achieve in our daily use, and the effect is basically the same as those of dedicated discharge software. If there is still no obvious effect at this time, then it is basically a battery that cannot be recovered. At this time, you should reluctantly consider replacing the core of the lithium-ion battery pack. However, in order to make our "book" better to use: Now let's take the following methods out to understand: 1. When there is no external power supply, if the current working condition does not use the card in the PCMCIA slot temporarily, it is recommended to remove the card first to extend the battery life. 2. Room temperature (20-30 degrees) is the most suitable operating temperature for the battery. Operating environment with too high or too low temperature will reduce battery life. 3. When using the notebook in an environment that provides a stable power supply, it is not correct to remove the battery to extend the life of the battery. As far as ASUS notebooks are concerned, when the battery power is fully charged, the charging circuit in the battery is automatically turned off, so that overcharging does not occur. 4. It is recommended to perform battery power calibration on average three months. 5. Minimize the number of times you use the battery. The number of times the battery is charged and discharged is directly related to the life. Each time the battery is charged, the battery goes one step further. It is recommended that you use an external power supply whenever possible. 6. Remove the battery when using an external power supply. Some users often plug and unplug the power supply several times a day, and the laptop is equipped with a battery. In doing so, the damage to the battery is greater. Because each time the external power supply is connected, it is equivalent to charging the battery once, and the battery will naturally survive. 7. Recharge after the battery is exhausted and avoid charging for too long. Regardless of whether your notebook uses lithium or nickel-metal hydride, be sure to recharge the battery (less than 1%), which is the best way to avoid memory effects. Lithium battery also has a memory effect, but its memory effect is smaller than nickel-hydrogen. 8. 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