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What is the capacity of the 18650 battery
Because the size of the 18650 battery is fixed, "18" represents the diameter, "65" represents the height, and "0" represents the cylindrical shape.
How many milliampere-hours the maximum capacity of the 18650 battery can achieve is still a question worthy of discussion. Therefore, it has always been concerned by many practitioners. Over the past few years, various manufacturers in China have improved their technology, and continue to experiment and develop their capacity. It has also gradually improved. The laboratory has been able to produce 18650 batteries with a capacity of more than 3500mAh, but the stability and consistency are not good, and mass production has not been able to form a trend for the time being. If someone says that someone has 3500 or 4000mAh, it's a lie, you know the price. Now the large-capacity 18650 battery bought in batches on the market is 2950mAh, and the battery with this capacity is also called 3000mAh by others. At present, the battery with a capacity range of 2200mAh-2600mAh is relatively stable, and the technology is relatively mature in all aspects. The 18650 battery manufacturer tells you that it is best not to use high-capacity batteries if you are making a battery pack. Whether it is from the perspective of cost performance or the service life of the battery pack after the group, it is a very cost-effective solution, so the higher the battery capacity The more unstable it is to use.
The 18650 battery manufacturer tells you that the battery pack needs to be customized according to different products used in different working environments and fields. If the product is mid-to-high-end, you can choose imported batteries from big brands. The 18650 battery manufacturer tells you that there are many small-scale domestic ones. The battery produced by the battery cell manufacturer may have some false standards. If you are too price sensitive, you can choose a regular domestic manufacturer.
The 18650 battery manufacturer tells you that most application fields have different current and time requirements, so most power supply batteries are presented in battery packs. When choosing a battery pack, you should consider the consistency, stability, safety, and For each battery in each group of cells, all values must be matched, such as the same voltage, the same internal resistance, and the same capacity. These indicators are very important.