Lithium battery is a chemical battery with high energy and strong adaptability to high and low temperatures. It basically includes metal li ion 18650 battery pack and li ion 18650 battery pack. Its main characteristics are high specific energy, high working standard voltage, low lithium battery life rate, and no memory. Among them, the low self-discharge rate of li ion 18650 battery pack is the outstanding advantage of li ion 18650 battery pack.

　　Cylindrical li ion 18650 battery pack are generally represented by five digits. Looking from the left, the first and second data refer to the diameter of the battery, the third and fourth data refer to the aspect ratio of the battery, and the fifth data refer to the ring shape. So besides the popular 18650 cylindrical lithium battery, what other cylindrical li ion 18650 battery pack are there? The following details the specifications and models of li ion 18650 battery pack.

　　1.21700 lithium battery.

　　The 21700 lithium battery is a lithium battery with a diameter of 21mm and a height of 70mm. Due to the expanded volume and improved space utilization, it can increase the specific energy of individual batteries and system software. Its volumetric specific energy far exceeds that of 18650 rechargeable batteries, and it is widely used in digital technology, battery cars, electric balance cars, solar-powered lithium battery road lights, LED lights, pneumatic tools, etc. The main manufacturers of this type of rechargeable batteries include Tesla, Samsung, Konka, BIC, Mengshi New Energy Technology, etc.

　　2.10440 lithium battery.

　　10440 lithium battery is a type of lithium battery with a diameter of 10 mm and a height of 44 mm. The size is the same as "AA battery". The volume is generally small, only a few hundred mAh. It is mainly used in small electronic devices. For example, flashlights, mini speakers, stereos, etc.

　　3.32650 lithium battery.

　　32650 battery is a lithium battery with a diameter of 32mm and a height of 65mm. This type of battery has strong continuous charging and discharging capabilities, so it is suitable for electric toy cars, backup power supplies, UPS batteries, wind energy power generation systems, and wind and solar hybrids. Power generation system software.

　　4.26650 lithium battery.

　　The 26650 rechargeable battery is a lithium battery with a diameter of 26mm and a height of 6.5mm. It has a nominal voltage and a tolerance capacity of 3200mAh. This type of rechargeable battery has the characteristics of high capacity and high consistency, and has gradually become a development trend to replace 18650 rechargeable batteries. Many products will also gradually become popular among power li ion 18650 battery pack.

　　5.16340 lithium battery.

　　The 16340 rechargeable battery is a lithium battery with a diameter of 16mm and a height of 34mm. This type of rechargeable battery often appears in flashlights, LED flashlights, headlamps, laser lights, lighting equipment, etc. Because it is short in height and small in volume.

　　6.14500 li ion 18650 battery pack.

　　The 14500 rechargeable battery is a type of lithium battery with a diameter of 14mm and a height of 50mm. It is also the specification of "AA battery". This type of rechargeable battery is generally or, the tolerance volume is smaller than that of 10440 rechargeable battery, usually 1600mAh, and the charging and discharging performance is good. Its main uses are mainly consumer electronic equipment, such as wireless speakers, electric toy cars, digital cameras, etc.

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