Core Insights - The battery theme index in China has seen a strong increase of 3.41%, with key stocks such as Keda (科士达) hitting the daily limit up, and other companies like Yalong (阳光电源) and Silver Wheel (银轮股份) also experiencing significant gains [1] - The battery ETF managed by Harvest (嘉实) has shown a 37.75% increase in net value over the past year, with a maximum monthly return of 31.11% since its inception [2] - The solid-state battery sector is gaining attention due to its high energy density and safety, with the industry entering a critical phase of industrialization supported by policy, technological advancements, and growing demand [2] Market Performance - As of August 15, 2025, the battery ETF has a turnover rate of 3.16% and a transaction volume of 9.8276 million yuan [2] - The top ten weighted stocks in the battery theme index account for 51.66% of the index, with Yalong (阳光电源) and CATL (宁德时代) being the top two [3][5] Stock Performance - Key stock performances include: - Yalong (阳光电源) up by 6.88% with a weight of 10.28% - CATL (宁德时代) up by 0.55% with a weight of 9.64% - Sanhua Intelligent Control (三花智控) up by 4.53% with a weight of 6.31% [5] Investment Opportunities - Investors without stock accounts can access the battery industry investment opportunities through the battery ETF Harvest linked fund [7]

Group 1 - The core viewpoint of the news highlights the significant progress in the solid-state battery sector, with major manufacturers entering pilot production and automotive companies commencing road tests, indicating an accelerated industrialization process [2] - As of June 26, 2025, the China Battery Theme Index has shown a 0.47% increase, with notable gains from component stocks such as Xingyuan Material (+6.79%) and Wenkang New Energy (+3.15%) [1] - The battery ETF, Jia Shi, has experienced a 17.39% increase in net value over the past year, with a significant growth in shares by 22.5 million [1] Group 2 - The solid-state battery industry in China has an expansion plan exceeding 50 GWh with a total investment of approximately 15 billion yuan, indicating strong growth potential [2] - The top ten weighted stocks in the China Battery Theme Index account for 50.34% of the index, with Ningde Times and Sunshine Power being the most significant contributors [2][4] - The industry is expected to reach product finalization by the end of 2025, with vehicle testing starting in 2026 and a move towards large-scale cost reduction in 2027 [2]