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What Are the Advantages of 18650 Lithium Battery?

May 18 , 2021

Ⅰ. Advantages of 18650 lithium battery


The advantages of 18650 lithium batteries are as follows:

1. Large capacity. The capacity of 18650 lithium battery is generally between 1200mah~3600mah, and the general battery capacity is only about 800mah. If combined into a 18650 lithium battery pack, the 18650 lithium battery pack can easily exceed 5000mah.


2. Long life. The 18650 lithium battery has a long service life, and the cycle life can reach more than 500 times in normal use, which is more than twice that of ordinary batteries.


3. High safety performance. 18650 lithium battery has high safety performance, non-explosive, non-combustible; it is non-toxic and non-polluting; all kinds of safety performance are integrated in one, and the number of cycles is more than 500 times; high temperature resistance performance is good, and the discharge efficiency is 100% at 65 degrees. In order to prevent the battery from short-circuiting, the positive and negative electrodes of the 18650 lithium battery are separated. Therefore, the short-circuit phenomenon may have been reduced to the extreme. A protective board can be installed to avoid overcharge and overdischarge of the battery, which can also extend the battery life.


Ⅱ. The scope of use of 18650 lithium battery


The voltage is high. The voltage of 18650 lithium batteries is generally 3.6V, which is much higher than the 1.2V voltage of nickel-cadmium and nickel-hydrogen batteries. 18650 lithium battery has no memory effect. It is not necessary to empty the remaining power before charging, which is convenient to use. The internal resistance of 18650 lithium batteries is small, and the internal resistance of polymer batteries is smaller than that of ordinary liquid batteries, which greatly reduces the self-consumption of the battery and prolongs the standby time of the mobile phone. This kind of polymer lithium battery that supports large discharge current is an ideal choice for remote control models, and it has become the most promising product to replace nickel-metal hydride batteries. It can be combined in series or in parallel to form an 18650 lithium battery pack, which has a wide range of applications: notebook computers, walkie-talkies, portable DVDs, instrumentation, audio equipment, model aircraft, toys, video cameras, digital cameras and other electronic equipment.

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