Power Management Solutions for Laptops

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Power Management Solutions for Laptops [Copy link]

As we all know, batteries are one of the main supports for laptops to achieve mobile office. Laptop batteries are like mobile phone batteries. The earliest nickel-metal hydride batteries (or nickel-chromium batteries) were soon replaced by lithium-ion batteries. Lithium-ion batteries have high energy storage density, can be charged at any time, and have a long continuous discharge time (generally about 3 hours).


　　Reasonable use of lithium-ion batteries


　　Although lithium-ion batteries have many advantages, some professional skills are still needed to extend the battery life and maintain power supply for a long time.

　　When lithium-ion batteries are used for the first time, they must be fully charged and discharged three times to activate the chemical substances inside the battery and make the electrochemical reaction inside the battery enter the best state. In the future, they can be charged and used at will, but it must be ensured that the battery must be fully discharged once within one month. Such deep discharge can stimulate the activation performance of the battery and play a key role in the battery life. If the battery has not been used for more than three months, it should be fully charged and discharged three times before using it again, just like a new battery, to ensure that the battery is activated.


　　Set up power management plan


　　The most common operating system used in laptops at present is Windows 98. Windows 98 provides the latest power management function for notebook computers. Its power management feature can reduce the power consumption of power-consuming components to only meet actual needs. The following are the correct settings for power management

in Windows 98: 　　1. Power management scheme selection Open the " Power Management

" icon 　　in the "Control Panel" and select "Portable/Laptop" in the power usage scheme. The default setting of Windows 98 during installation is "Always On"; do not select the very power-consuming "Home/Office Desktop". 　　2. Power management time configuration 　　In the "Turn off monitor" time option, Windows 98 defaults to "15 minutes after plugging in" and "2 minutes after using battery" for "turning off hard disk". In the "Turn off hard disk" time option, Windows 98 defaults to "30 minutes after plugging in" and "3 minutes after using battery" for "turning on". When the computer is in standby mode, it will enter hibernation mode after the set time. The hibernation feature of power management will turn off the monitor and hard disk, save the contents in the memory to the hard disk, and then turn off the computer. When you restart the computer, the desktop will be restored to the state before entering hibernation, thus reducing battery consumption. 　　You can modify the options appropriately according to your needs. Then click the [Save As] button to save the solution. 　　3. Alarm Settings 　　Click the "Alarm" menu bar. The "Battery Low Alarm" column is set to 10% by default in Windows 98, and the "Battery Severe Shortage Alarm" column is set to 3% by default in Windows 98. You can modify it appropriately according to your needs. Click the [Alarm Response] button for both, select "Sound Alarm" and "Display Message", and do not select "Power Level". In this way, when the battery reaches the alarm limit, a warning window will automatically pop up, and the buzzer will sound an alarm to prompt the user to save the information in time. 　　Finally, click the [OK] button to exit the power management settings. 　　In addition, if your laptop has a built-in infrared port, disabling it when not in use can also extend the battery life of the laptop.