BYD Began Building a New Battery Factory in Shenzhen 2015
China 's largest maker of electric cars - BYD Auto Company on December 30 in the southern city of Shenzhen, began construction of its second major battery factory . The plant is expected to be opened before the end of 2015 . BYD said the plant will have an annual output of up to 8 million kWh capacity lithium iron phosphate . According to the company , the plant's annual production of battery cells for 25,000 vehicles available K9 electric buses or 600,000 vehicles Qin Plug-in hybrid . BYD existing battery factories in Shenzhen , the annual capacity of one million kilowatts up to 1.6 hours of battery life . BYD Auto Company partially owned by US billionaire Warren - Warren Buffett all , in the first 11 months of 2014 , the company sold 2,432 cars in China electric vehicles and 19,928 vehicles Plug-in hybrid . The company in California have a K9 bus assembly plant