Nowadays laptop is widely used by most people in the world. There is no doubt that it brings us many convenience. Moreover, it has entirely changed the daily life and work in all walks of people. We are enjoyable to carry the laptop along with us due to its portable. We apply it to our life, work and study etc. However, a common problem we met that the laptop battery can’t race long especially in the open air, which the power of the notebook should be totally supplied by the notebook battery. Here comes the problem, the battery which used to last 3 hours can only last 2 hours now. How did this happen? Did this phenomenon because of the quality of the laptop battery? For the laptop which buy within a year, the shrink of battery life result of the incorrect judgement of the BIOS (basic input-output system) instead of the natural aging of your laptop. So calibrating laptop battery correctly is important and necessary to us. Maybe the BIOS give a wrong conclusion when your laptop has a little power, but it forced to shutdown your notebook. In this case you needn’t to suspect the quality of your laptop battery. It is easy for you to retrieve the remaining power by battery calibration. Several ways of calibration can be used. Here I will recommend you the most common method later.

Before the advice of calibration , let’s focus on why do we need calibrate laptop battery capacity correctly? Battery capacity with the service life is slowly reduced, if not corrected records the actual capacity of the power management module, your battery will charge. Dissatisfaction with the situation (has been 98%, 97%), which means that the battery capacity of the system records or just the factory when the maximum capacity. If you deviate from the many, they would send the wrong signal to the charging circuit.

Then how we can calibrate the notebook Battery correctly? To employ the function of battery calibration. When the notebook computer use for some time, if you often feel that the battery usage time how short, in fact, this is because laptop battery charge and discharge process, and sometimes the BIOS to detect the power, and battery.The actual power does not match, in this case, although the battery a little power, but the BIOS but it will judge the power to run out, and then enter the shutdown state. Here I give the example of my own notebook, firstly boot your computer and then press “F2” to enter the Power menu.When you enter this menu,you’ll see the “Start Battery Calibration”option.Press the “enter”button and implement it.The screen will pop up like this”Please plug-in an AC adapter to supply power. It will recalibrate the gauge of laptop battery now.Initialize battery and adjust LCD brightness.It is charge the Compaq 8510p battery,please wait,please remove AC adapter.”This process may cost 4 or 5 hours. please be patient. After correctly calibrating the notebook battery, your laptop will continue to race long. This is an effective way to make your battery safer and last longer.Once you find your battery can’t last as long as you buy it. Then you’d better calibrate your laptop battery first instead of suspect the quality of your laptop battery. There are many problems we can avoid if we pay more attention to the maintenance of the notebook battery. From then on you may make up your mind to cherish it as your best friend. Like all rechargeable cells, battery eventually lose their ability to keep a charge. Though Lithium-ion batteries are not affected by “memory effect”, every battery has a limited number of charge cycles. Laptop batteries do indeed get weaker and have limited lifespans. Generally, the life of battery can only last for 3 or 4 years in total. But to calibrate it can help you to extend it a bit longer.

In a matter of fact, the battery has a service life time long battery storage capacity naturally low, so we can not guarantee that this method can certainly restore the battery storage capacity, but if your battery just shortly, often feel electricity is San Liangxia depleted may wish to try to use this feature to restore the storage capacity of the battery. On the other hand, we must note that the battery calibration operation can not be too frequent or regular discharge makes battery life is shortened, it is recommended that 2 to 3 months corrected once.

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