As energy and the environment receive more and more attention, there are more and more related products such as solar energy, wind energy, water energy, tidal energy, etc. In recent years, electric vehicles have mushroomed and quickly occupied most of the automobile market. We are familiar with photovoltaic products, The battery industry also urgently needs a variety of reliability tests, such as photoaging, high and low temperature, temperature and humidity tests, to promote product updates and iterations and improve product quality.