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Lithium Charging Of Correct Use Way
May 04, 2018

In the use of lithium batteries, it should be noted that the battery enters hibernation after being left for a period of time. At this time, the capacity is lower than the normal value, and the use time is also shortened. However, the lithium battery is very easy to activate, as long as after 3-5 normal charge and discharge cycles can activate the battery and restore normal capacity. Due to the characteristics of the lithium battery itself, it is determined that it has almost no memory effect. Therefore, the new lithium battery in the user's mobile phone does not require special methods and equipment during the activation process. Not only theoretically, but from my own practice, it is best to use the standard method to charge this “naturally activated” method from the very beginning. For the "activation" problem of lithium batteries, many arguments are: The charging time must be more than 12 hours, repeated three times in order to activate the battery. This statement that "the first three charges must be charged for more than 12 hours" is obviously a continuation of nickel batteries (such as nickel-cadmium and nickel-hydrogen). Therefore, this argument can be said to be misinformation at the beginning. The charge and discharge characteristics of lithium batteries and nickel batteries are very different, and it can be clearly stated that all the serious formal technical information I have reviewed emphasizes that overcharge and overdischarge will affect lithium batteries, especially liquid lithium. Ionic batteries cause great harm. Therefore, it is best to charge in accordance with the standard time and standard methods, in particular, do not charge more than 12 hours. In general, the charging method described in the cell phone manual is a standard charging method suitable for the cell phone.

In addition, the lithium battery cell phone or charger will automatically stop charging after the battery is full, there is no so-called "trickle" charging of the nickel charger for 10 hours. In other words, if your lithium battery is full, it's white charger. And no one of us can guarantee that the characteristics of the battery's charge and discharge protection circuit will never change and the quality will be perfect, so your battery will be in danger for a long time. This is another reason why we oppose long charge. In addition, on some mobile phones, after charging for more than a certain period of time, if the charger is not removed, the system will not only stop charging but also start a discharge-charge cycle. Perhaps the manufacturer of this practice has its own purpose, but it is obviously unfavorable to the life of the battery and the mobile phone/charger. At the same time, long charging takes a long time and often needs to be carried out at night. According to the situation of China's power grid, the voltage at night in many places is relatively high and fluctuates. As already mentioned, the lithium battery is very delicate. It is much less tolerant to the fluctuations in charge and discharge characteristics of nickel electricity, and this brings additional danger. In addition, another aspect that cannot be ignored is that lithium batteries are also not suitable for over-discharging, and over-discharge is also very disadvantageous for lithium batteries.

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