China’s Contemporary Amperex Technology Co. caught up with South Korea’s LG Energy Solution Ltd. in the global electric-car battery market outside China, according to SNE Research.

CATL, as the Chinese giant is known, and LG Energy both had 28.1% of the global market ex-China in September, Seoul-based SNE said in a report Thursday. Japan’s Panasonic Holdings Corp. ranked third with a 14.7% share.