Tech News

What Is a 18650 Lithium-Ion Battery?

What exactly is a 18650 lithium-ion battery? Do you recognize it? You’ll learn about the usage and operation of several kinds of batteries in this article.

What is a lithium-ion 18650 battery?

A common cylindrical battery used in vacuum cleaners, sweeping robots, etc. is the 18650 lithium-ion battery. This particular battery type has a capacity of roughly 3,000mAh and is made up of many cells connected in series. One of the most popular battery types used in portable devices, the 18650 lithium-ion battery is frequently regarded as having a high capacity.

How does the lithium-ion 18650 battery function?

A positive electrode, negative electrode, separator, and electrolyte are all components of a 18650 lithium battery. When lithium batteries are charged, the positive electrode produces lithium ions (or their equivalents), which “swim through” the electrolyte and separator to the negative electrode and become embedded in it. During discharge, lithium ions “swim” from the negative electrode to the positive electrode.

18650 lithium-ion battery benefits

The advantages of 18650 lithium-ion batteries over conventional battery types are numerous. Since they are lighter and more energy dense, they can store more power without getting too big or heavy. In addition to having a longer lifespan than other battery types, 18650 lithium-ion batteries may be recharged numerous times without losing their ability to power devices. Furthermore, 18650 lithium-ion batteries are eco-friendly because they don’t emit any toxic gases when in operation.


The cylindrical lithium batteries used in fields like electric vehicles are the subject of extensive research at EVE. You can visit our official website to learn more.

Related Articles

Leave a Reply

Your email address will not be published. Required fields are marked *

Back to top button