Group 1 - The National Index for New Energy Vehicle Batteries (980032) has seen a strong increase of 2.02%, with key stocks such as CATL (300750) rising by 4.79% and Keda Li (002850) by 4.47% [1] - The Battery ETF (159755) has recorded a trading volume turnover of 4.27% and a transaction value of 146 million yuan, ranking first among comparable funds [1] - The latest scale of the Battery ETF has reached 3.389 billion yuan, marking a three-month high and also ranking first among comparable funds [1] Group 2 - The top ten weighted stocks in the National Index for New Energy Vehicle Batteries account for 65.51% of the index, with major companies including CATL (300750) and BYD (002594) [2] - In the first half of 2025, six major car manufacturers reported a total sales volume of 8.7929 million units, with wholesale sales of new energy passenger vehicles reaching 6.47 million units, a year-on-year increase of 38% [2] Group 3 - Solid-state batteries are recognized for their high energy density and safety, with applications expected to expand in various fields, including automotive and robotics [3] - The Battery ETF closely tracks the National Index for New Energy Vehicle Batteries, reflecting the market performance of listed companies in the new energy vehicle battery industry [3]