Xin Lang Cai Jing·2026-01-20 11:45Core Viewpoint - The market share of leading battery manufacturers CATL and BYD has declined in 2025, with a combined drop of nearly 5 percentage points compared to the previous year [1][3]. Group 1: Market Performance - In 2025, the cumulative installed capacity of domestic power batteries is projected to reach 769.7 GWh, representing a year-on-year growth of 40.4% [2]. - Among the total installed capacity, ternary batteries account for 144.1 GWh (18.7%) with a year-on-year growth of 3.7%, while lithium iron phosphate batteries dominate with 625.3 GWh (81.2%) and a year-on-year growth of 52.9% [2]. - CATL leads the market with an installed capacity of 333.57 GWh, holding a market share of 43.42%, while BYD follows with 165.77 GWh and a market share of 21.58% [2][4]. Group 2: Market Share Changes - Both CATL and BYD experienced a decline in market share in 2025, with CATL down by 1.67 percentage points and BYD down by 3.17 percentage points, marking the largest declines among the top fifteen battery manufacturers [3][4]. - In contrast, the majority of second and third-tier battery manufacturers saw an increase in market share, indicating a competitive shift in the industry [5][6]. Group 3: Emerging Competitors - Guoxuan High-Tech recorded the highest market share growth among the top fifteen, achieving an installed capacity of 43.44 GWh and a market share increase of 1.07 percentage points [6][7]. - The rankings for the top five battery manufacturers remained unchanged, while the positions from sixth to fifteenth experienced significant reshuffling, with several new entrants making their debut [8][10]. - New companies like Jiyao Tongxing and Choneng New Energy have entered the top fifteen list, reflecting the growing trend of automakers developing their own battery solutions [11][14]. Group 4: Overall Industry Trends - The total production of power and other batteries in China reached 778.1 GWh in the previous year, with a year-on-year growth of 42.5% [15]. - The cumulative sales of power and energy storage batteries amounted to 1,700.5 GWh, with power batteries accounting for 1,200.9 GWh (70.6%) and energy storage batteries for 499.6 GWh (29.4%) [16]. - The export of power batteries reached 189.7 GWh, representing 62.2% of total exports, with a year-on-year growth of 41.9% [17].