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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:2024-04-26 Hits: Popular:AG11 battery
Service life of new energy vehicle 18650 lithium battery cells
New energy vehicles have different battery sizes. Some cars will be larger than 700 frames, and some will reach 300 to 400 frames.
First of all, the service life of new energy vehicle power lithium batteries is generally not measured by usage time, but by considering the frequency of cycle application. Even if it is a cycle, there must be a different starting point of charging and a point of stopping charging. If it is a deep charge and discharge, that is, a 0-100% cycle system, test data information will be obtained. Generally speaking, lithium iron phosphate batteries can be cycled up and down 2,000 times, while current ternary lithium batteries can be cycled up and down 1,400 times.
Of course, the cycle life of a rechargeable battery is also closely related to the operating temperature of the rechargeable battery. The changes in cell cycle time of the deep charge-discharge cycle system at different temperatures indicate that the application frequency of the 35c cycle system is significantly higher than that of the 55c cycle system.
In addition, different cycle battery charging and different charging and discharging depths are also very harmful to the rechargeable battery cycle.
It must be noted here that my country's laws and regulations stipulate that when the battery capacity attenuation coefficient is lower than 80%, it must be forced to be recycled and needs to be reused in steps.
Of course, in the case of deep charging and discharging, the mileage will be longer and the attenuation coefficient of the rechargeable battery will be faster. In addition, common car usage habits are also very harmful to power lithium batteries.
1. There is no need to charge continuously, but a combination of fast and slow charging is required;
2. It is often not necessary to charge the large current of the amplified battery: to prevent frequent acceleration and rapid braking;
3. Battery charging must also be carried out in a timely manner to prevent long-term unnecessary deep explosion-proof switches;
4. Prevent the battery from being charged when the temperature suddenly drops;
5. Regular physical inspections of power lithium batteries should be carried out in a timely manner. The basis can be inspected once a year, and reliable garages should be repaired and maintained.
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