What is 18650 lithium battery? Good quality 18650 lithium battery how to choose
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2023/09/04 15:13:39
In lithium batteries, 18650 refers to the external size, 18 is 18 mm in diameter, 65 is 65 mm in length, and 0 is a cylindrical battery. This product is a standard lithium-ion battery developed by Japan's SONY company to save costs, and is named 18650. The 18650 lithium battery is a typical cylindrical lithium battery, which has received wide attention. What types of 18650 lithium batteries are available?
18650 lithium batteries can also be divided into flat head and pointed head two.
Flat head 18650 lithium battery: no shield.
Pointed 18650 lithium battery: there is a protective cover, because the top has a protective cover, so the raised part is the protective cover.
18650 lithium battery is an industrial battery, in order to save costs, there is no protective cover, but in the use of excessive care, otherwise it will lead to damage to the lithium battery. The function of the protective cover is to prevent overcharging of the battery. Therefore, the 18650 lithium battery usually has to add a protection line on it.
18650 Good quality battery how to choose?
18650 battery and other standard battery is not the same, its quality is not the same, each brand of battery has its own advantages, so we say, 18650 lithium battery is the best, the most suitable for themselves, so when we buy 18650, we should pay attention to the following points:
1. Brand
2. Capacity
3. Voltage
4. Continuous discharge rate
5. Chemical properties
6, battery life
7. Safety performance
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