The 18650 (18mm by 65mm) battery is a size classification of lithium-ion batteries. If you have ever held one in your hand, you probably noticed it is the same shape, but a bit larger than a AA battery. AA batteries by comparison are sometimes called 14500 batteries, because they have a 14mm diameter and 50mm height.
New era new technology，The 18650 battery is the gasoline of the 21st century.
The world is shifting away from fossil fuels and will one day become fully electric.
Every time the world has harnessed a new generation of energy, be it fire, steam, or diesel, there have been fundamental and broad-stretching improvements to our lives. We believes electrical energy stored in batteries will have great implications to the world in the next twenty years as technologies like electric vehicles, smart homes, robotics, and solar power collection are able to reach their full energy potentials.
Lithium-ion is the most promising chemistry of all batteries. Li-ion manufacturers have a regular cycle of improvements, and goals to reach energy density needed for full-adoption seem achievable. Large investments like Tesla’s Gigafactory act as evidence asserting their role as the next generation of batteries to revolutionize energy storage.
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