18650 Lithium Ion Battery is an advanced rechargeable charge storing equipment. It is extensively used to provide power back up to the plethora of electronic devices and tools. It is widely used in automation, aerospace, and mechanical works, and various such systems that are driven by DC power to function. There are lithium ions that move from negative to the positive electrode inside the battery. 18650 Lithium Ion Battery is high in energy density, and also it can function appropriately under high-temperature conditions.