Is the 18650 battery really that dangerous?

作者: zhushican 　发布: 2025-05-21　分类:彩绘知识　阅读: 32次　查看评论

        If you want to understand this problem, you must first understand-what is a 18650 battery? 

 　　The 18650 battery that we often say in Japan refers to the dimensions of the battery. It is a standard battery model set by SONY in Japan in order to save money. Among them, 18 means that the diameter is 18mm, 65 means that the length is 65mm, and 0 means that it is a cylindrical battery.

     18650 batteries originally referred to nickel-metal hydride batteries and lithium-ion batteries. Because nickel-metal hydride batteries were rarely used at the beginning, they mostly referred to lithium-ion batteries.

     The nominal voltage of a single section of the 18650 lithium-ion battery is individually: 3.6V or 3.7V; the discharge termination voltage is individually: 2.75V.The common capacity is 1200~3100mAh, and higher than 3400mAh is basically a false standard.

 　　Since the launch of Sony in the 1990s, the 18650 battery has been durable.The 18650 battery is widely used in the industrial field and electronic equipment such as notebook computers, walkie-talkies, instrumentation, etc. Because of its large capacity, high energy storage efficiency, good firmness, no memory effect, high battery life, and no toxic substances. Even the very popular Tesla electric vehicles use the 18650 battery pack supplied by Panasonic.

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