（文章来源：证券日报） 证券日报网讯德赛电池9月24日在互动平台回答投资者提问时表示，德赛矽镨2025年上半年营收13.37亿 元，其业务主要是电源管理系统等产品的SIP模组，不是芯片晶圆封装业务。 ...

Core Viewpoint - Desai Battery (000049.SZ) has stated that its products are not currently applied in humanoid robots [1] Company Summary - Desai Battery has clarified its current product applications, indicating a lack of involvement in the humanoid robotics sector [1]

Group 1 - The company is engaged in the research and development of solid-state batteries, focusing on in-situ polymer electrolytes and oxide electrolytes [1] - The related products are still in the development stage [1]

Group 1 - The company is actively recruiting professionals in solid electrolyte technology for its solid-state battery development [2] - The company is focusing on in-situ polymerized electrolytes and oxide electrolytes in its solid-state battery research [2] - The related products are still in the research and development phase [2]

Group 1 - The core viewpoint is that Desay Battery (000049.SZ) is currently operating at full production capacity for its energy storage cells, but the operational results still require further improvement [1] Group 2 - The company has communicated its current production status through an investor interaction platform [1] - There is an indication that while production is maximized, the financial performance has not yet reached satisfactory levels [1]

Core Viewpoint - Desay Battery (000049.SZ) has stated that the company has not yet achieved mass production of solid-state battery products [1] Company Summary - Desay Battery is currently in the phase of developing solid-state battery technology but has not reached the stage of mass production [1]

Core Viewpoint - Desai Battery (000049.SZ) has stated that the company has not yet achieved mass production of solid-state battery products [1] Company Summary - Desai Battery is currently in the phase of developing solid-state battery technology but has not reached the stage of mass production [1]

Core Viewpoint - Desay Battery's stock has shown a significant increase in price this year, despite a recent decline, indicating potential volatility in the market [1][2]. Company Overview - Desay Battery Technology Co., Ltd. is located in Nanshan District, Shenzhen, Guangdong Province, and was established on September 4, 1985, with its stock listed on March 20, 1995 [1]. - The company specializes in the production of power management systems and various types of lithium batteries [1]. Financial Performance - For the first half of 2025, Desay Battery reported a revenue of 9.762 billion yuan, representing a year-on-year growth of 9.32%, while the net profit attributable to shareholders decreased by 9.36% to 97.545 million yuan [2]. - The company has distributed a total of 1.484 billion yuan in dividends since its A-share listing, with 495 million yuan distributed over the past three years [3]. Shareholder Information - As of September 10, 2025, the number of shareholders increased to 71,100, a rise of 15.54%, while the average circulating shares per person decreased by 13.45% to 5,411 shares [2]. - The top ten circulating shareholders include significant institutional investors, with Hong Kong Central Clearing Limited being the third-largest shareholder, increasing its holdings by 2.0681 million shares [3]. Stock Performance - As of September 18, 2025, Desay Battery's stock price was 27.46 yuan per share, with a year-to-date increase of 18.46% and a recent five-day increase of 6.93% [1]. - The stock experienced a net outflow of 41.2314 million yuan in principal funds, indicating selling pressure despite some buying activity [1].

Group 1 - The Tonghuashun Fruit Index concept rose by 2.32%, ranking second among concept sectors, with 14 stocks increasing in value [1][2] - Leading gainers included Zhongshi Technology, Changying Precision, and Lens Technology, which rose by 14.09%, 12.44%, and 5.94% respectively [1][2] - The stocks with the largest declines were Lingyi iTech, Pengding Holdings, and Luxshare Precision, which fell by 2.41%, 0.74%, and 0.73% respectively [1][2] Group 2 - The concept sectors with the highest daily gains included lithography machines at 3.30% and copper cable high-speed connections at 2.18% [2] - The Tonghuashun Fruit Index experienced a net outflow of 1.472 billion yuan, with 8 stocks seeing net inflows, and 5 stocks receiving over 30 million yuan in net inflows [2][3] - The top net inflow stock was Lens Technology, with a net inflow of 705 million yuan, followed by Wentai Technology and Dongshan Precision with net inflows of 244 million yuan and 212 million yuan respectively [2][3] Group 3 - In terms of net inflow ratios, Lens Technology, Wentai Technology, and Desay Battery led with net inflow rates of 13.50%, 11.95%, and 4.29% respectively [3] - The trading volume and turnover rates for the top stocks included Lens Technology with a turnover rate of 3.35% and Changying Precision with a turnover rate of 18.89% [3][4] - Stocks such as Lingyi iTech and Luxshare Precision had significant net outflows, with Lingyi iTech experiencing a net outflow of 689 million yuan and Luxshare Precision a net outflow of 1193 million yuan [4]

Core Viewpoint - The article highlights the rapid advancements and competitive landscape in the energy storage battery sector, focusing on new product releases and technological innovations from various manufacturers [2][5][8]. Group 1: Event Information - The "2025 Starting Point Household Storage/Industrial Storage/Portable Energy Storage Battery Technology Forum" will take place on September 26, 2025, in Shenzhen, with over 600 participants expected [1]. - The event aims to discuss new storage technologies and release a white paper on user-side energy storage [1]. Group 2: Product Releases - A number of battery manufacturers are intensifying their efforts in energy storage cells, including: - **XWANDA**: Launching 684Ah and 588Ah energy storage cells, with the former featuring a volume energy density of 440+ Wh/L and a lifespan exceeding 20 years [2]. - **Zhongchuang Innovation**: Introducing 500Ah+ and 600Ah+ cells, with the 600Ah+ cell having a cycle life of 15,000 times and a volume energy density of 430 Wh/L [3]. - **Desay Battery**: Presenting an 86Ah high-rate cell designed for data centers, capable of 10C discharge [3]. - **Tianneng Lithium Battery**: Announcing four new national standard lithium battery products [4]. - **Nandu Power Supply**: Launching a 392Ah energy storage battery with a cycle life of 15,000 times and energy efficiency exceeding 95% [5]. Group 3: Competitive Landscape - The competition among large-capacity energy storage cells is intensifying, with manufacturers adopting multiple strategies, including 300Ah+, 500Ah+, and 600Ah+ routes [5][6]. - The 600Ah+ technology route is led by **Sungrow Power Supply**, with participation from several other companies, while **Ningde Times** dominates the 500Ah+ segment [6]. - The article notes a trend where battery manufacturers are entering the downstream system integration market, increasing pressure on system integrators [8]. Group 4: Technical Insights - The article discusses the advantages and challenges of different battery designs, including square and cylindrical cells, with square cells currently being more prevalent [7]. - The article also mentions the potential risks associated with the winding process in cylindrical cells as capacity increases, which could lead to higher internal resistance and structural issues [7].