Batteries are among the best technologies the world has ever witnessed. They came at the right time when the world needed to shift from fossil fuels to renewable energy.
Lithium battery or otherwise known as Li-ion battery is a rechargeable battery that is commonly used for portable electronic devices and electric vehicles.
Many times, we have been confused while thinking about the 18650 battery as we complicate 18650 with model and sometimes with year in which it was built.