The current world is constantly changing and in the fields of science and technology, experts are working without stopping to create new ways to obtain energy.
The life of a lithium-ion battery can be defined as the number of charge-discharge cycles it goes through to reach a failure threshold. If we talk about it in the jargons used by the manufacturers then they term it as cycle life.
Nickel cadmium (NiCD) and Lithium batteries are both used in electronic devices and light duty mechanical tools as a source of power to keep these devices running.
Everyone is dependent upon the convenience of cordless power tools. The fact is that a cordless tool is only as reliable as its rechargeable battery. The moment when the battery cannot hold a charge, it is dead and useless.