Many friends are complaining about why their laptop battery standby time is dropping sharply, so how to maintain the laptop battery, and what is worth noting. Including notebooks, DC, DV, MP3, mobile phones and so on, many electronic products rely more and more on batteries, and the consumption of power batteries is also increasing. Especially for the expensive original, the daily use of batteries has always been the focus of attention, because the price of an original battery is really unacceptable. Nowadays, there are different opinions on the use of laptop batteries.
How to use a laptop battery?
Many friends are complaining about why their laptop battery standby time is dropping sharply, so how to maintain the laptop battery, and what is worth noting. Including notebooks, DC, DV, MP3, mobile phones and so on, many electronic products rely more and more on batteries, and the consumption of batteries is also increasing. Especially for the expensive original, the daily use of batteries has always been the focus of attention, because the price of an original battery is really unacceptable.
Nowadays, there are many different opinions about the use of laptop batteries. Some friends cherish the batteries very much. They even take them off when they use external power supply. In fact, the use of this battery does not need to be cared for as many people say on the Internet. Now, almost all of the laptop batteries are lithium batteries. This kind of battery is high. Effectiveness, no memory effect.
However, the reasons for capacity degradation of lithium-ion batteries are complex and many possibilities exist. There is also a certain relationship with user's usage habits. Simply speaking, during the use of lithium-ion batteries, solid substances will be deposited on the electrodes continuously. These solid substances may be chemical substances that can not be decomposed, or electrolytes. Or some impurities, which adhere to the electrodes continuously, will directly lead to the reduction of effective electrolyte, less electrolyte can be used as circulation, the capacity of the battery will be reduced, and the efficiency will be much worse than before. However, due to people's inertial thinking of using Ni-MH rechargeable batteries, there are still some misunderstandings in using lithium batteries. Here are some incorrect points when using batteries:
(1) Lithium batteries need deep discharge? Obviously, for Ni-MH batteries with memory effect, full discharge will improve the efficiency of use. However, lithium batteries have no memory effect and can be charged as needed without affecting their capacity.
(2) The first charge takes 12 hours? After buying the notebook, the salesman will tell you that the first charge takes more than 12 hours to "activate" the battery. In fact, most notebook batteries now have overcurrent protection circuits. As long as they are full of electricity, the battery will cut off the connection with AC. At this time, continue to "charge", the effect can only be a waste of electricity.
(3) When using external power supply, it is better to unplug the laptop battery? This view is based on the fact that frequent charging and discharging will damage the laptop battery, but it is not known that this will pay off. On the one hand, now lithium batteries are equipped with intelligent protection circuits, usually when the power is reduced by more than 5%, they will start charging; on the other hand, frequent plugging of batteries may cause bad contact between the interface, but damage the battery and the notebook; finally, the notebook batteries also play the role of UPS, once the power is suddenly cut off, the battery can be guaranteed. The computer will continue to run, otherwise you will suffer a certain loss.
(4) Long-term non-use, lithium batteries need to be stored empty (full) electricity? These are two opposite conclusions, but they are supported by some people. The reason for the preservation of air power is that lithium batteries will discharge slowly, which will affect their life. If air power is used, there is no need to worry about discharging. The reason for full power preservation is that since lithium batteries discharge, if there is no electricity, it will inevitably affect life, just like people hungry over fire, it will damage the body. In fact, both of these statements are incorrect. If you do not use lithium batteries for a long time, you should store them at 40-60% of their power. In this state, the discharge of the batteries is relatively slow and can be stored for a long time.
(5) Frequent charging and discharging has no effect on lithium batteries? This view is also one-sided. Although lithium batteries have no memory effect, frequent charging and discharging still has an effect on the life of lithium batteries. Generally, recharging after the power consumption is less than 10%, is conducive to increasing the life of lithium batteries. But if there are special needs, occasionally charging in advance, the impact will not be too great.
In addition to the daily use of a little attention, lithium batteries due to its own chemical, power decline is inevitable. So how to judge the real-time state of the battery? Here are some methods to observe the battery state, so that we can know in time to avoid the critical moment when there is no electricity available.
