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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.
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release time:2024-04-22 Hits: Popular:AG11 battery
18650 li ion rechargeable battery life
The correct statement is: lithium battery life is related to the time and frequency of battery charging cycles, but the number of battery charges is not directly related.
Lithium Batteries Understand that, for example, a lithium-ion battery only uses half of its charge on the first day and then reaches full charge. If it is still the same the next day, that is, half of the charge, a total of two batteries are charged, which is only the time of one battery charging cycle, not two. Therefore, it may take several rounds to recharge the battery. Each time the battery charges cycle time, the charge decreases a little. However, this reduction is very small, and a high-quality rechargeable battery will retain 80% of its initial power consumption after a few cycles, which is why many lithium-ion battery-powered products are still in use after two or three years. Natural lithium-ion batteries must eventually be replaced.
The service life of lithium battery is 300500 battery cycle times. Assuming that the amount of electricity used for full charge and discharge is q, a lithium-ion battery can present or fill 300q-500q of power items during its service life, regardless of the reduction in power consumed after each battery charge cycle. So we know that if we fill in 1/2 each time, we can fill it 600-1000 times, and if we fill it 1/3 each time, we can fill it 900-1500 times. In this case, if the battery is charged, the frequency is undefined. In short, no matter how you charge it, the total amount of electricity added is 300Q to 500Q, which is constant. Therefore, we can also understand this: the life of lithium battery is related to the total charging capacity of the battery, and has nothing to do with the number of charging times. There is little difference in the impact of deep discharge, deep charge and shallow discharge on the life of lithium batteries.
In fact, shallow charging and discharging are more beneficial to lithium batteries. Only when the commercial switching power supply corrects the lithium battery, in-depth research is needed. Therefore, products using lithium-ion battery power systems do not need to be limited to the entire process. Everything is very convenient and can be charged at any time without worrying about harm to life.
If the lithium-ion battery is used in a natural environment above 35 degrees Celsius, its operating temperature may continue to reduce the power used by the rechargeable battery, that is, the battery-powered system will not last as long as in the past. If the battery is charged at that temperature, the damage to the battery will be greater. Even storing and discharging rechargeable batteries in warm natural environments will inevitably cause relative damage to battery quality. Therefore, maintaining an optimal operating temperature is a good way to increase the life of lithium-ion batteries.
If lithium batteries are used in low-temperature environments, that is, below 4c, you will also find that the use of rechargeable batteries is reduced. Some original lithium batteries do not even charge in the ultra-low-temperature environments of mobile phones. But don't worry too much, this is just a temporary situation, different from using high temperature natural conditions. Once the temperature rises, the rechargeable battery's molecular structure heats up and returns to its previous consumption.
In order to take full advantage of the high efficiency of lithium batteries, they must be used frequently so that the electronic devices in the lithium batteries are always in a flowing state. If the lithium battery is not used frequently, please remember to charge the lithium battery every month and perform battery calibration, that is, depth calibration.
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