Various parts in the laptop,laptop adapter battery shop the laptop battery status is directly related to the ability to work in the absence of DC power supply case. Therefore, learn to rational use and maintenance of this consumer components become an important guarantee for lasting life of the laptop shop.

Step / methods
1 energy-saving settings: Energy-saving setting two require the user to adjust: First, in the computer’s BIOS setup program on the energy saving mode settings in the operating system setup and operation of many energy-saving. Computer system in the actual implementation, the Asus A32-K52 battery energy-saving settings in the Windows system should take precedence over the CMOS settings.

2 alarm settings: Set the battery alarm function can be timely given to the user prompted to save the information. Click open the Control Panel, double-click on the “Power” option, open the “Alarm” menu bar “battery alarm” bar Windows default is 10%,ues Compaq Presario CQ42 “a serious power shortage alert,” column, Windows default is 3%, according to You need to make the appropriate changes. Click both the “alarm response” button, select “sound the alarm” and “message”, “power level” is optional. So that when the alarm limits when the battery is used, it will automatically pop up a warning window and the buzzer will sound an alarm to prompt the user to save the information in a timely manner. Finally, click “OK” button to exit the power management settings.

3.the use of third-party software to monitor the Apple A1189 battery status: for example, PowerCenter is a power monitoring tool that can be downloaded free, and only 800 KB, is a software designed for laptop service. PowerCenter In addition to showing the percentage of battery capacity, but also the actual time displayed in hours and minutes.

4.Deliberately run out of battery: run out of battery on a regular basis, in order to ensure a full charge. If you need to completely run out of Compaq Presario CQ40 battery power adapter, the specific approach is in the Power Management dialog box, select the Battery Drain this particular power mode, all three Running on Batteries options are set to Never, so that the laptop will continueoperation. This mode is selected, and then enter the Alarms tab, cancel the Low Battery and Critical Battery Warning check box check mark (so, when the battery power is low, the machine will not enter the suspend state). Next, let the computer run the CPU-time tasks, such as the computer automatically run the computational complexity of the 3D demo program, which will soon be able to run out of battery power remaining, of course, these disposal Do not forget to unplug the AC plug.

5.Calibrate the battery: the battery to achieve the best performance, certain models of notebook computer provides a battery calibration feature, the first time you use the battery, you can use this function to calibrate the battery. The calibration procedure will run out of energy, and then re-charged, which enables Windows battery meter to monitor battery status. Calibrate the Dell 7FJ92 battery, follow these steps:
First, plug in the power adapter.
Second, restart the computer, the startup screen appears, press F2 to enter the BIOS.
Third, the BIOS program, select Exit project, and Select BatteryAuto-Learning option.
Fourth, press the Enter key, select Battery Auto-Learning option (which will appear in front of a “√”).
Fifth, select Save and Exit option in the Exit project, save your settings and exit the BIOS.
Sixth, the system restarts and battery calibration.

Precautions
Set energy-saving,the Compaq Presario CQ45 because the majority of laptop Phoenix BIOS, the BIOS energy-saving settings may differ, you should carefully read the screen prompts