A large number of waste batteries are discarded in the environment, and acid-base electrolyte solution will affect the pH value of soil and water system, making soil and water system acidic or alkaline. After being absorbed by organisms, heavy metals such as mercury and cadmium will enter the human food chain through various channels and gather in the human body, leading to deformation or change of the human body and even death. A grain of button cell can pollute 600,000 liters of water, which is equivalent to a person's lifetime drinking water. A rotten battery in the ground can make a square meter of land useless. Among the five substances that pose the greatest threat to the natural environment, batteries contain three.

There are generally three ways to dispose of waste batteries in the world: solidification and deep burial, storage in abandoned mines and recycling.