In fact, in the case of a fully charged laptop battery, it takes almost two hours or so. How to make good use of the laptop battery, how to prolong the use of the notebook battery, and the life of the notebook battery are undoubtedly a problem that puzzles the hearts of laptop users. There are many methods and techniques for using computer batteries. This requires us to learn and apply more in our daily use. 
When fast dormancy 
temporarily does not use the notebook computer, in order to save battery energy, we can set the power management scheme to make the system go into hibernation after a period of time, but this can be a long or short wait several minutes, there is no way to make the notebook When the computer system goes into hibernation immediately 
, an easy way to quickly enter the sleep state of the laptop system is to turn off the display directly. Pressing the display screen is only a matter of hand, it can make the laptop immediately go to sleep, effectively saving battery power. When you need to use it again, just open the display and the system will automatically return to the pre-operation state. 
The power-saving 
TFT screen is the most power-consuming part of a notebook computer. In order to reduce the amount of power it consumes when using the battery, the notebook computer manufacturers have various ideas, but in general, the screen brightness is reduced, and even the screen is turned off. method. 
The brightness of the screen can be customized in the power management settings of some notebook computers. Most laptops can adjust the brightness of the screen through specific shortcut keys, and generally have 6-8 brightness adjustments. 
Energy-saving settings 
Desktop computers use AC power. Most people don't pay much attention to the energy-saving features of computers. However, for notebook computers that require batteries to supply power, the use of energy-saving features should be valued. How computer hardware is designed to be more energy-efficient is not a problem that users have to solve. What the user can do is effectively use energy-saving options on the computer settings.
The energy-saving feature is a technology used by the CPU to achieve the best balance between the performance of the laptop and its battery life. Most new models of laptops support the CPU's energy-saving technology in the BIOS, which is turned on by default. If you do not turn on the BIOS, just enter the BIOS to open the support options.