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The correct usage method for laptop batteries: 1. Newly purchased laptops do not require activation, nor do they require the first three rounds of 12 hour deep charging and discharging. This is mainly determined by the principle and characteristics of lithium batteries. The battery is designed with battery protection, making it impossible to completely drain the battery.

Method/Steps

A newly purchased laptop does not require activation, nor does it require the first three rounds of 12 hour deep charging and discharging, which is mainly determined by the principle and characteristics of lithium batteries. The battery design has battery protection, so it is impossible to completely drain the battery and of course, it is also impossible to overcharge.

The lifespan of laptop batteries is greatly affected by the surrounding environment, and it is best to place the computer in an environment between 25 and 40 degrees Celsius. If the battery needs to be left for a long time, it should be placed in a dry and low-temperature environment, and the remaining battery capacity should reach about half. Generally, it should be taken out for charging every month or so, and used once.

The larger the battery capacity, the better. Generally, the larger the capacity of a battery, the shorter its lifespan. The lifespan of a battery cycle is limited, usually only a few hundred times. But it is not the number of charges, but the number of complete discharges. That is to say, when a second-hand laptop is plugged into an external power supply of the battery box and the remaining battery is 95%, the battery will be charged once to 100%, which is not considered a single charge. It takes 20 times to fully discharge 100% of the battery, and only after it is fully charged can it be considered a complete cycle. So the practice of completely using up the battery in a laptop before charging is incorrect and can also damage the battery.

Abnormal voltage can also damage the computer. High or low voltage can damage the battery, so it is recommended to use the original laptop power adapter. In addition, lithium batteries are suitable for shallow charging and discharging to minimize battery loss. The charging range is 20% to 80%, which is the most suitable. Deep drawing and discharging harmful lithium-ion batteries can cause permanent damage to the positive and negative electrodes of lithium-ion batteries. However, occasional deep charging and discharging can correct the displayed battery level data, but the more times the correction is performed, the greater the damage to the battery. Therefore, it is advisable to minimize the amount of correction.

Laptop batteries can be said to be the most important source of power for laptops. Without batteries to provide energy, it is impossible to meet the special requirements of mobile office. So the laptop in our hands can only be a mobile PC at most. The maintenance and usage skills of laptop batteries have also become the most headache inducing issue for most consumers. There have been various opinions on the use and maintenance of laptop batteries. Based on my own usage experience and consulting with engineers from the Pinsheng Battery Customer Service Center, I will provide a brief introduction to battery usage and maintenance. I will also discuss in depth the maintenance of laptop batteries and make corrections to some misunderstandings in daily use. I hope this can be helpful to all friends. However, my level is limited. If there are any omissions in the article, I hope all friends can forgive me!

A. After purchasing a laptop, charge the battery continuously for 12 hours three times or more to prevent "memory effects"

First, let me ask an extremely foolish question: Do all friends have mobile phones? Many friends consciously or unconsciously follow the instructions of the merchant or others when using their phones, which is to charge the battery for 12 hours in the first three times after buying the phone, and then wait until the battery runs out before recharging. The reason is that friends are worried about the "memory effect" of their phone batteries. The memory effect refers to the tendency of the battery to automatically maintain a specific working cycle after a long period of time. Therefore, some people say that if the battery is only used when it is charged 50% each time, the memory effect of the battery will be that it will only be able to charge 50% next time and then "cannot be charged". In fact, this "memory effect" refers to nickel cadmium and nickel hydrogen batteries. For lithium-ion batteries in laptops, the memory effect can be almost negligible.

With the gradual improvement of manufacturing technology, the constant current and other charging characteristics of lithium-ion batteries control their deep charging time to 4 hours. There is no need to apply the charging rules of mobile phone batteries to laptop batteries. When the laptop battery runs out of battery, it will be charged. Every two weeks or a month, the laptop battery will undergo a deep discharge. This term sounds a bit scary, but in fact, it is to use the battery to power up, and then directly use the computer to automatically shut down when it runs out of battery. However, the frequency of deep discharge should not be too frequent.

B. When using an AC adapter, the battery should be removed first to avoid overcharging the battery

At present, lithium-ion batteries used in laptops on the market can complete 300 to 600 charging and discharging processes (some data indicate more). We can calculate on our own. The official data for the battery usage time of the current Mercedes Benz models on the market is generally 5-6 hours, while the battery usage time of the Ben-4 model is 3 hours. Therefore, based on the standard of 600 charging and discharging cycles of lithium-ion batteries, we can calculate how long our laptop battery can be used. Some friends are worried that if they remove the battery when using an AC adapter, if there is still a lot of electricity left in their battery, they will start charging when they plug in the AC adapter, causing their battery to waste a so-called "charging cycle". In fact, this concern is unnecessary because the battery level inside the laptop cannot be 100%, so when using an AC adapter, it will definitely be fully charged. However, many large laptops are now designed with battery protection measures. For example, IBM laptops only charge when the battery level is below 95%, which is not absolute. Some laptop manufacturers who do not have design capabilities and rely solely on OEM may also be weaker in this regard. If you really care about your battery, why not take it off!

C. Power on charging is very harmful to laptop batteries

Is there any harm to starting up and charging? Once, a friend of mine saw my phone being turned on and charged, and then came over and said, "Wow!"! How dare you turn on and charge? You're not afraid of the battery exploding!? Although it is a joke, it reflects the usage misconceptions of many friends. In terms of laptops, some models used to be designed to use batteries for power, even if an AC adapter was plugged in, the laptop would still use batteries for power, which means it could not be charged. Nowadays, laptops do not have such a dangerous design. When an AC adapter is plugged in, it immediately switches to external power and starts charging the battery. So there is no need to shut down and recharge now.

D. The computer crashed, but there was no way to cut out the battery

I have also seen some friends before whose machines cannot shut down properly, and even illegal shutdowns do not work. If you want to blame it, blame the great "fainting death" system! In the end, the big brother closed his eyes, stomped his feet, and dug out the battery, only to hear the notebook scream and then shut it down. In fact, this approach is very harmful because in standby mode, the memory is powered on and working. If the battery is hastily removed, data loss is inevitable, and it is not advisable to remove the battery when inserting an AC adapter. This approach can only be harmful and not beneficial

E. If you don't use the battery for a long time, just leave it aside casually

This issue is often overlooked by users. However, this issue is not small. The laptop engineer who talked to me told me that many laptop manufacturers now recommend users to control the remaining battery power at around 5%, which is to eliminate electrode passivation. This is because laptop batteries start to slowly self discharge when they leave the factory (activating the battery is already done in the workshop, so we don't need to worry). A laptop is likely to be purchased by consumers six months after leaving the factory, and the battery has already been discharged for six months. Here, the author suggests that if using an AC adapter instead of a battery for a long time, it is best to leave 40% -50% of the remaining power for the laptop battery to self discharge. If there is no power, the battery can self discharge, which can easily cause problems or even scrap. You think, self discharge definitely needs to be discharged, but when there's no electricity inside, what should you let it discharge? It's not a problem!

END

matters needing attention

Pay attention to maintaining battery life!

There is another issue to note: if using an AC adapter for power supply without batteries for a long time (such as for students), place the battery in a dry and cool place, such as a cabinet. This approach is to avoid humid environments. Additionally, if the entire device is not in use, it is best to separate the battery from the laptop. If you do not believe it, please be careful when buying a phone or laptop. Does the merchant separate the battery from the entire device?

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