Battery life depends on battery type, size, frequency of use and operating environment. 2) Best 18650 Li-ion battery for electronic cigaretteĮ-cigarettes tend to use lithium-ion batteries as their power source. Advanced equipment, skilled workers, mature management mode and strict production requirements ensure that the welding, testing, aging, and pre-shipment inspection of 18650 lithium-ion battery packs are error-free and produce the best 18650 lithium-ion battery packs. Exquisite lithium battery pack technologyįor the 18650 Li-Ion battery pack, superb assembly capabilities are critical. Structural components of the housingĪccording to the requirements of electrical appliances, the matching shell structure is designed, mostly plastic shell, metal shell, simple PVC heat shrink, etc. The lithium battery protection board also has the functions of power detection, remaining display, battery status display, communication remote control and so on. High and low temperature protection: When the temperature sensor reaches the temperature threshold and the protection delay value, the control circuit controls to turn off the charge and discharge MOS tube and stop the charge and discharge. Over-current and short-circuit protection: When the output current of the battery pack P+ and P- exceeds the over-current/short-circuit current value and reaches the over-current/short-circuit delay value, the control circuit controls the discharge DMOS to turn off the discharge circuit and stop discharging. Over-discharge protection: When the voltage of the battery pack is less than (under-voltage) the maximum value and reaches the protection delay value, the IC controls the DMOS to turn off the discharge circuit. Overcharge protection: When the battery pack voltage is greater than the maximum (overvoltage) value and reaches the protection delay value, the IC controls the CMOS to turn off the charging circuit. The core component of the lithium battery protection board is the protection IC, which is composed of PCB, magnetic field effect transistor (MOS tube), NTC, PTC, capacitor, resistor, diode, triode, etc. ![]() Multifunctional protection circuit board (PCM) Top brands of 18650 batteries: SAMSUNG, PANASONIC, LG, SANYO, SONY, Lishen, BAK, etc. After years of quality evaluation, we recommend the following high-quality batteries: ![]() The single cell has undergone a series of safety and performance tests. The best 18650 lithium battery pack should be composed of cells from well-known brands. The best 18650 lithium battery pack should choose the following three components: 1. The 18650 lithium battery pack is usually composed of three parts: 18650 cells, protective plate (commonly known as PCM) and shell structural parts. It is a standard lithium-ion battery model set by SONY in Japan to save costs, called 18650 lithium battery. The number of the 18650 lithium battery represents the overall size: 18 represents the diameter of 18mm, 65 represents the length of 65mm, and 0 represents the cylindrical battery.
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