A worker stands outside a factory of Contemporary Amperex Technology Ltd (CATL) in Ningde December 26, 2016 697 × 468 Power surge: Chinese electric car battery maker charges for global market People walk past the R&D centre of Contemporary Amperex Technology Ltd (CATL) in Ningde, Zhejiang province, China, December 16, 2016. Picture taken December 16, 2016. REUTERS/Jake Spring