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Sino Science&Technology Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of Lifepo4 batteries,energy storage battery,portable UPS power supply,personalized customization lithium battery pack etc .
Environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery,3.7V lithium polymer battery, NiMH battery , NiCD battery ,Lead acid battery,dry cell battery ,alkaline battery ,heavy duty battery, button cell battery etc. we devote to R&D,innovation ,production & sales
Shenzhen Green Power Energy Battery Co.,ltd specializes in a wide range of digital battery such as environmental cylindrical 18650 21700 32700 26650 14500 18500 lithium ion rechargeable battery, LifePO4 battery, 3.7V lithium polymer battery, NiMH battery, NiCD battery, dry cell battery, alkaline battery, heavy duty battery, button cell battery etc. we devote to R&D, innovation, production & sales. With automatic production machines we have been exported goods to all over the world over 15years. We have complete exported certificate such as KC, CE, UL, BSCI, ROHS, BIS, SGS, PSE etc
Dongguan Datapower New Energy Co.,ltd is a high-tech production enterprise which specialize in the R&D and production&sale of lithium polymer batteries,drone battery,airplane batteries &battery pack etc.
Anhui Seong-hee New Energy Technology Co.,ltd is a high-tech production enterprise which specialize in the R&D and production of primary batteries. And mainly produces and sells alkaline batteries & carbon zinc batteries. there are size AA, AAA, C, D, 9V etc
Guizhou STD Battery Co.,ltd is a high-tech production enterprise which specialize in the R&D and production & sale of lithium polymer batteries, drone battery, airplane batteries & battery pack etc.
release time:2024-03-26 Hits: Popular:AG11 battery
The use of lithium-ion batteries
In the use of lithium batteries, it should be noted that after the battery is placed for a period of time, it enters a dormant state, at this time the capacity is lower than normal, and the use time is also shortened. However, lithium batteries are easy to activate, as long as 3-5 normal charge and discharge cycles can be activated to restore normal capacity. Due to the characteristics of the lithium battery itself, 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 is this true in theory, but in my own practice, the "natural activation" method of charging from the beginning is the best.
For the "activation" problem of lithium batteries, many say that the charging time must be more than 12 hours, and it must be repeated three times in order to activate the battery. This statement that "the first three charges should be charged for more than 12 hours" is obviously a continuation of the statement from nickel batteries (such as nickel cadmium and nickel metal hydride). So it's a misrepresentation to begin with. There is a very big difference between the charge and discharge characteristics of lithium batteries and nickel batteries, and it can be very clear to tell you that all the serious formal technical information I have consulted emphasizes that overcharge and overdischarge will cause great harm to lithium batteries, especially liquid lithium-ion batteries. Therefore, it is best to charge according to the standard time and standard method, especially not to charge for more than 12 hours. Usually, the charging method described in the mobile phone manual is the standard charging method suitable for the mobile phone. + ^' S' h, D7 E. a7 ~. c7 G
In addition, lithium battery mobile phones or chargers will automatically stop charging after the battery is full, and there is no so-called "trickle" charging of nickel electric chargers that lasts for more than 10 hours. That is to say, if your lithium battery is full, it is also empty on the charger. And none of us can guarantee that the characteristics of the battery's charge and discharge protection circuit will never change and the quality of the foolproof, so your battery will be on the edge of danger for a long time. This is another reason why we oppose long charging.
In addition, on some mobile phones, after charging for more than a certain period of time, if you do not remove the charger, then the system not only does not stop charging, but also starts the discharge-charging cycle. Perhaps the manufacturer of this practice has its own purpose, but it is obviously detrimental to the life of the battery and the phone/charger. At the same time, long charging takes a long time, often need to be carried out at night, and to the situation of China's power grid, the voltage at night in many places is relatively high, and the fluctuation is large. As has been said before, lithium batteries are very delicate, and it is much less resistant to fluctuations in charge and discharge than nickel electricity, so this brings additional dangers. : z2 t8 U# f3 N! v
In addition, another aspect that cannot be ignored is that lithium batteries are also not suitable for over-discharge, and over-discharge is also very unfavorable to lithium batteries. This leads to the following question.
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