Before getting to know about the 18650 battery, we must first understand what is a LED powerful flashlight and why it’s different.
It is a new type of lighting technology using LED light-emitting diodes as light sources, provides the advantages of power saving, durability, and high brightness.
To be more specific, high-brightness LED flashlight has the advantages of power saving, waterproof, anti-corrosion, explosion-proof, anti-drop, durability, and strong brightness.
This kind of flashlights are often used as long-duration flood light and emergency light source in circumstances such as public security,fire department , petroleum, chemical industry, electric power companies, metallurgy industry, ship industry, railways industry, coal mines, flood control situations, rescue situations, and disaster relief.