Chinese battery makers CATL and BYD strengthened their dominance in the global electric vehicle (EV) battery market in the first half of 2025, as overall installations climbed by more than a third, data from SNE Research.
Global EV battery installations reached 504.4 gigawatt hours (GWh) in January-June, up 37.3% from 367.4 GWh in the same period last year. CATL led the market with 190.9 GWh, a 37.9% share, up from 37.7% a year earlier. BYD followed with 89.9 GWh, giving it 17.8% of the market, up from 15.4% in the first half of 2024.
South Korea’s LG Energy Solution ranked third with 47.2 GWh, accounting for 9.4% of the market, down from 12.3% a year ago. China’s CALB took fourth place with 4.3%, while SK On ranked fifth at 3.9%.
Japan’s Panasonic moved up two spots to sixth with 3.7%, followed by China’s Gotion High-tech (3.6%), South Korea’s Samsung SDI (3.2%), China’s Eve Energy (2.7%), and Svolt Energy (2.6%).
CATL remained the only battery supplier with a market share above 30%, while BYD was the only other company above 15%, underscoring the widening gap between the top two and the rest of the industry.