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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:2024-04-07 Hits: Popular:AG11 battery
What impact does fast charging have on the 9v batteries? Will it shorten 9v batteries life?
In principle, 9v batteries damage basically comes from two aspects:
On the one hand, when the 9v batteries is charged and discharged, the cathode and anode of the 9v batteries will shrink and expand with the release and absorption of ions. Long-term fast charging will destroy the chemicals on the 9v batteries, resulting in shortened 9v batteries life.
On the other hand, during fast charging, due to the relatively high current, the thermal effect of the current will be intensified, causing the 9v batteries to generate high temperatures. High temperatures will also cause a sudden reduction in capacity and permanent damage to the 9v batteries core.
As we all know, one of the advantages of lithium batteries is that they can be charged at any time at a convenient time, instead of having to recharge after running out of electricity. So, what is a charging cycle?
A charging cycle means that all the 9v batteries's power is used from full to empty, and then charged from empty to full. This is not the same as charging once. To put it simply, for a 600 mAh lithium 9v batteries, you charge it from 0 mAh to 400 mAh for the first time, and use N milliamps; then you charge it to 150 mAh, and then use N milliamps. A; finally charge 100 mA. When the last charge reaches 50 mA, a charging cycle of this 9v batteries is completed. (400+150+50=600)
A lithium 9v batteries only uses half of its charge on the first day, then charges it fully. If it is still the same the next day, that is, if you charge it half way, and charge it twice in total, this can only be counted as one charging cycle, not two. Therefore, it may often take several charges to complete a cycle. Each time a charging cycle is completed, the 9v batteries capacity will decrease a little. This is why many people who use lithium 9v batteries mobile phones often say: This broken mobile phone can be used for 4 days when it is first bought, but now it can only be used for 3 and a half days on a single charge. However, this reduction in power is very small. High-quality batteries will still retain 80% of their original power after being charged for many cycles. Many lithium 9v batteries-powered products are still in use after two or three years. Of course, lithium batteries will eventually need to be replaced when their life span is up.
The life of lithium batteries is generally 300-500 charging cycles. Assuming that the power provided by a complete discharge is 1Q, if the reduction in power after each charging cycle is not taken into account, the lithium 9v batteries can provide or supplement a total of 300Q-500Q of power during its life. From this we know that if you charge 1/2 every time, you can charge it 600-1000 times; if you charge it 1/3 every time, you can charge it 900-1500 times. By analogy, if it is charged randomly, the number of times is uncertain. In short, no matter how you charge it, the total amount of electricity added is 300Q-500Q, which is constant. Therefore, we can also understand this: the life of lithium 9v batteries is related to the total charging capacity of the 9v batteries, 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 discharge and shallow charging are more beneficial to lithium batteries. Deep discharge and deep charging are only necessary when the power module of the product is calibrated for lithium batteries. Therefore, products powered by lithium batteries do not have to stick to the process. Everything is done with convenience in mind. You can charge them at any time without worrying about affecting their lifespan.
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