I still remember that when I bought my first mobile phone in 2007, I played the game while playing the song for the so-called battery activation. It took 4 hours to fully charge it, because from then on Now I can always hear the sound: "The new phone will be fully charged for the first time, then charge for more than 12 hours to activate the battery, the standby time is longer" and so on. Is this actually the case? ?
After a long time in the IT circle, I sometimes felt that I was so cute and cute. If you have such concerns, please read the following text carefully and I believe it will help you.
How many times does the new battery of the newly purchased mobile phone need to be fully charged and discharged to activate the battery?
The full charge and discharge here means to fully use the battery power, then connect the charger and charge it for 8 hours or more. The electronic devices such as mobile phones or tablets that we use now all use lithium-ion batteries (Li-ion). They do not have a memory effect during the process we use. They are fully activated before leaving the factory. We don't need to "activate" again. .
The reason we have a 12-hour misunderstanding for new battery charging is because our early use of nickel-cadmium and nickel-metal hydride batteries required a similar "activation" operation. Because they will produce a "memory effect", that is, charging in the state of surplus power, it is easy to overcharge the battery. After a long time, it will feel that the electricity is quickly used up, and the lithium ion battery has no memory effect.
Lithium battery charging should follow the "less meals" method, that is, do not wait until the power is completely used up, then charge, but try to charge before the battery is less than 20%, do not worry that the number of charging will affect Battery life, because the lithium-ion battery we use now has a life of up to several hundred times. The full charge and discharge cycle here refers to the process of charging the battery and then charging it. Plugging in the charger and then unplugging it is not complete. Charge and discharge.
Don't wait until there is no electricity to recharge. Correct charging method1. The charging time is kept 3-4 hours full;
2. The first charge is also full, no need to deliberately extend the time;
3. When the battery is used up to 20%, charge it immediately. Do not wait until the battery is completely charged and recharged.
4. Try to use less universal charger, computer, charging treasure and other equipment to charge, because the charging voltage and current set by each mobile phone are different, try to use the original charger, so that security is guaranteed. On the other hand, the reason is that the above-mentioned devices have unstable voltage and current output, and cannot provide a stable charging environment for the mobile phone.
5. The battery will heat when charging. At this time, it is not suitable for the mobile phone to use too much, and to make calls. Because these operations will cause the mobile phone to be severely heated, it will have unintended consequences, and it is very dangerous to answer the phone while charging. There is also the need to pay attention to heat dissipation when charging, do not put it under the pillow, or cover it, so that the heat does not stay in the phone.
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