BYD Co., Ltd. engages in the research, development, manufacture, and sale of rechargeable batteries and photovoltaic business. It operates through the following segments: Rechargeable Batteries and Photovoltaic Products, Mobile Handset Components, Assembly Service and Other Products, and Automobiles and Related Products and Other Products. The Rechargeable Batteries and Photovoltaic Products segment is involved in the manufacture and sale of lithium-ion batteries and nickel batteries, photovoltaic products, and iron batteries products for mobile phones, electric tools, and other portable electronic instruments, photovoltaic products, energy storage products, and electric vehicles. The Mobile Handset Components, Assembly Service and Other Products segment focuses on the sale of mobile handset components such as housings, electronic components, assembly services, and medical protection products. The Automobiles and Related Products and Other Products segment consists of automobiles and auto-related moulds and components and automobile leasing and after sales services, rail transport related business, and medical protection products. The company was founded by Chuan Fu Wang on February 10, 1995 and is headquartered in Shenzhen, China.