LG Chem was the world's top seller of electric vehicle (EV) batteries from January to August and , China's largest automotive lithium-ion battery maker, was second, a South Korean market research firm said Monday.

According to SNE Research, LG Chem has a 25 percent share of the global EV battery market; Chinese battery maker CATL ranks second with a 24 percent market share; Japan's Panasonic ranks third with a 19 percent share.

From January to August this year, LG Chem's global EV battery usage was 15.9GWh, accounting for 24.6% of the total EV battery volume (64.7GWh) in the same period, the highest share.

CATL ranked second with 15.5GWh (24.0%). Panasonic follows with a share of 12.4GWh (19.2%). It is followed by manufacturers such as Samsung SDI, SK Innovation, and .

China, one of the largest markets in the world for new energy vehicles, has made significant progress in terms of on-board power batteries.

As of August this year, China's installed capacity of power batteries was 5.1 GWh, up 48.3% year-on-year.

The first ranked power battery in terms of cumulative installed capacity this year is CATL, with 13.63GWh installed in January-August, accounting for nearly 50% of the market share.

BYD is second, with an installed capacity of 3.79 GWh from January to August, accounting for 13.7% of the market.

LG Chem is third, with a cumulative installed capacity of 2.72 GWh for January-August and a 9.9% share of the market.

With CATL starting to supply , Tesla's market share will increase further with its trend of selling more than 10,000 units per month.