-What is the maximum capacity of 18650 lithium batteries?

What is the maximum capacity of 18650 lithium batteries?
author:enerbyte source:本站 click114 Release date: 2024-05-29 08:56:27
abstract:
Due to the fixed size of the 18650 battery, "18" represents diameter, "65" represents height, and "0" represents cylindrical shape. The maximum capacity that 18650 lithium batteries can achieve in milliampere hours is still a question worth exploring, which has attracte...

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Due to the fixed size of the 18650 battery, "18" represents diameter, "65" represents height, and "0" represents cylindrical shape. The maximum capacity that 18650 lithium batteries can achieve in milliampere hours is still a question worth exploring, which has attracted the attention of many practitioners. In recent years, various Chinese manufacturers have improved their technology, continuously conducted experimental research and development, and the capacity has gradually increased. In the laboratory, 18650 batteries with a capacity of over 3500mAh can already be produced, but the stability and consistency are not good, and the trend of mass production cannot be formed temporarily. If someone claims that someone has 35004000mAh, it's a scam, you can tell by looking at the price. The large capacity 18650 lithium batteries purchased in bulk on the market now are 2950mAh, which is also known as 3000mAh by others. At present, the battery capacity range of 2200mAh to 2600mAh is relatively stable, and the technology is relatively mature in all aspects. If you are making a battery pack, it is best not to use batteries with very high capacity. Whether it is in terms of cost-effectiveness or the service life of the battery pack after grouping, it is a very uneconomical solution. Therefore, the higher the battery cell capacity, the more unstable the use.

The battery pack needs to be customized according to different products used in different working environments and fields. If the product belongs to the mid to high end, the battery can choose large brand imported battery cells such as Sanyo, Panasonic, etc. There are also many small-scale battery cell manufacturers in China that may have some false labels. If the price is too sensitive, domestic legitimate manufacturers such as BYD and Dongguan Hongwei Energy can choose 1800mah-2600mAh capacity batteries. Most application fields have different current and time requirements, so most power supply batteries are presented in battery packs. When selecting a battery pack, consideration should be given to the consistency, stability, and safety of the battery cells. In addition, each battery in each battery pack should have matching values in all aspects, such as the same voltage, internal resistance, and capacity. These indicators are all very important.


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