What is the difference between CR2450 battery and capacity lithium battery?

　　There are many types of lithium batteries, such as power lithium batteries and capacity lithium batteries. So what is the difference between these two types of lithium batteries?

　　1. Different voltages

　　In the battery industry, the working voltage has been expanded and the corresponding output voltage has been expanded, so that a variety of high-power mechanical equipment can be considered for driving lithium-ion batteries. However, the series connection method will cause direct harm to all lithium-ion batteries, and the battery volume is affected by the output The effect of current, therefore, the direct effect of connecting lithium-ion batteries in series is to expand the capacity of the lithium-ion battery, so lithium-ion batteries connected in this way are usually larger, that is, capacity-type lithium battery packs.

　　2. The products used are different

　　Some large and medium-sized mechanical equipment must work with high voltage, because small output CR2450 battery packs cannot operate, so it is necessary to use driving power lithium batteries. For example, commonly used electric cars are usually set to an operating voltage value of 48v. Compared to some people's daily lives, 48v has always been regarded as a large one. Therefore, it is necessary to use power-driven lithium-ion batteries to ensure the operation of electric vehicles. And people usually go to some large or large stores to get some evacuation lights and their backup power supplies. Because the function of this equipment does not suffer much loss, they generally choose high-volume lithium battery packs, which are different in product use.

　　3. Different internal resistances

　　The internal resistance of power-type lithium batteries is smaller than that of capacity-type lithium batteries. Taking 18650 as an example, good manufacturers that discharge at 3 times generally have a PDC with an internal resistance of about 40; those that discharge at 5 times generally do not have a PDC with an internal resistance of 20 about.

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