From the perspective of output, China''s lead-acid battery output in 2021 will be 216.5 million kilovolt-ampere hours. Although it has decreased by 4.8% year-on-year, the market size has shown a year-on-year growth trend. In 2021, China''s lead-acid battery market size will be approximately 168.5 billion yuan, a year-on-year increase of 1.6%, while the market size in