Introduction to 18650 battery

The 18650 that we often say in Japan actually refers to the battery's external specifications. It is a standard battery model set by the Japanese SONY company in order to save costs. Among them, 18 means a diameter of 18mm, 65 means a length of 65mm, and 0 means a cylindrical shape. battery. 18650 battery originally refers to nickel-metal hydride batteries and lithium batteries. Since nickel-metal hydride is relatively seldom used at present, it refers to lithium batteries. The nominal voltage of a single cell of 18650 lithium battery is generally: 3.6V or 3.7V; the minimum discharge termination voltage is generally: 2.75V. The common capacity is 1200～3000mAh, higher than 3400mAh is likely to be a virtual standard. Since the introduction of Sony in the 1990s, the 18650 battery has been enduring. Because of its large capacity, high energy storage efficiency, good stability, no memory effect, high cycle life, and no toxic substances, 18650 batteries are widely used in industrial fields and electronic equipment such as notebook computers, walkie-talkies, instruments, and even The world's hottest Tesla electric car also uses the 18650 battery pack supplied by Panasonic. Disclaimer: Some pictures and content of articles published on this site are from the Internet. If there is any infringement, please contact to delete. Previous: Correct use of lithium battery electric vehicles and key points of selection