Joinsun is a Large-Scale Lithium Battery Cell R&D and Manufacturing Enterprise, Specializing In the Development and Production of Cylindrical 21700 and 18650 Lithium-Ion Cells. Joinsun Operates 30 Advanced Automated Lithium Cell Production Lines, Supported by a 20-Member R&D Team Led by Doctoral Research Experts and 350 Skilled Workers. The Joinsun Factory Spans 120 Acres With a Daily Production Capacity of 220,000 Cylindrical Lithium Cells.
Joinsun Holds Over 20 Lithium Cell Invention Patents (China). Our Cell Products Have Successfully Passed a Wide Range of International and Domestic Certifications, Including CCC, UL, FCC, CE, RoHS, IEC, CB, BSMI, BIS, PSE, and Batteries and Waste Batteries Regulation (EU), Ensuring Compliance With Global Quality and Safety Standards. The Company is Equipped With State-of-the-Art Testing Facilities Specifically Designed for Cylindrical Lithium Cells, Featuring Advanced Quality Inspection Systems, Nail Penetration Test Equipment, and Comprehensive Safety Assessment tools. Joinsun Strictly Follows the Principles of "Quality First, Safety First," and is Committed to Delivering Reliable and High-Performance Lithium Cells to Customers Worldwide.
吉欣是一家大型锂电池电芯研发与制造企业，专注于圆柱型 21700 和 18650 锂离子电芯的开发与生产。公司配备 30 条先进的自动锂电芯生产线，拥有由博士组成的 20 名研发人员的技术团队及 350 名生产工人。吉欣工厂占地 48 万平方米，日产能达 22 万颗圆柱型锂电芯。
吉欣已获得中国 20 多项锂电芯发明专利，电芯产品通过了包括 CCC、UL、FCC、CE、RoHS、IEC、CB、BSMI、BIS、PSE 和欧盟电池法规在内的多项国内外认证，确保符合全球质量与安全标准。公司配备了先进的圆柱型锂电芯测试设备，包括高精度质量检测系统、针刺测试设备以及全面的安全评估工具，构建起完善的检测体系。吉欣始终秉持“质量第一、安全第一”的原则，致力于为全球客户提供可靠、高性能的锂电芯产品。
Joinsun' s High-Performance, High-Rate Lithium Cells are Favored by Customers Across Mainland China, Several Asian Countries, South America, and Eastern Europe. these Cells are Widely Used In Power Banks, Portable Power Stations, Winter Heated Apparel, E-Bikes, Electric Scooters, Self-Balancing Scooter, Portable Fans, Flashlights, City Solar Emergency Lighting, and More.
Joinsun Cells are Recognized and Trusted Around the Globe.
吉欣的高性能、高倍率锂电芯深受中国大陆、亚洲多个国家、南美及东欧市场客户的青睐，广泛应用于充电宝、户外电源、冬季加热服装、E-Bike 电动自行车、2轮/3轮电动车、代步车、平衡车、滑板车、便携式小风扇、手电筒、市政太阳能应急照明等产品中。
吉欣电芯，享誉全球。
Joinsun Uses High-Quality Materials In Its Lithium Cells, Including BASF's Cathode Materials, SHAN SHAN's Electrolytes, GUIBAO And ZET's Anode Materials, SEMCORP's Separators, And JINYANG's Steel Cases For Lithium Cells. By Selecting Premium-Grade Components, Joinsun Ensures Superior Cell Quality And Long Service Life, Featuring Ultra-Low Internal Resistance, Stable Thermal Resistance, And Excellent Cold-Weather Performance. This Meticulous Material Selection Not Only Guarantees Product Consistency And Safety But Also Enhances Overall Battery Performance In Demanding Applications Such As Electric Mobility, Portable Energy Storage, And Industrial Power Systems. Joinsun's Dedication to Quality From The Source Reflects Its Commitment to Delivering Reliable Energy Solutions Worldwide.
吉欣始终坚持选用高品质的锂电芯材料: 巴斯夫正极材料、杉杉电解液、硅宝和正拓的负极材料、恩捷隔膜，以及金杨钢壳。通过严选优质原材料，吉欣确保锂电芯具备卓越的品质和超长的使用寿命，具备极低的内阻、优异的耐热性能和出色的抗低温能力。这种严谨的选材标准不仅保证了产品的一致性和安全性，也显著提升了电池在电动出行、便携式储能和工业动力系统等高要求场景中的整体性能。吉欣对材料品质的严格把控，充分体现了其为全球客户提供可靠能源解决方案的坚定承诺。
Joinsun is Committed to Advancing the Development of Clean Energy and Providing Global Users With Green, Safe, ECO-friendly, and Efficient Lithium Battery Solutions. The Company Consistently Adheres to the Use of ECO-friendly Materials and Clean Production Processes to Minimize Its Environmental Impact. By Continuously Optimizing Cell Performance and Improving Energy Utilization Efficiency, Joinsun Effectively Extends Product Lifespan and Reduces Resource Waste. During Manufacturing, the Company Strictly Controls the Emission of Harmful Substances and Lowers Its Carbon Footprint, Actively Responding to Global Carbon Neutrality Initiatives. Joinsun Not Only Focuses on the Environmental Performance of Its Products but Also Emphasizes Their Real-World Emission Reduction Benefits in Applications Such as Electric Vehicles, Energy Storage Systems, and Portable Devices, Contributing to a Greener, Low-Carbon Society. Looking Ahead, Joinsun Will Continue to Drive Innovation in Clean Energy Technologies and Contribute to Global Sustainable Development. 吉欣致力于推动清洁能源的发展，致力于为全球用户提供绿色、安全、环保、高效的锂电池解决方案。公司始终坚持采用环保材料和清洁生产工艺，最大限度减少对环境的影响。通过不断优化电芯性能，提升能量利用效率，吉欣有效延长产品使用寿命，减少资源浪费。在制造过程中，严格控制有害物质排放，降低碳足迹，积极响应全球碳中和战略。吉欣不仅关注产品本身的环保性能，更关注其在电动车、储能系统、便携设备等领域的实际减排效益，助力构建绿色低碳社会。未来，Joinsun将持续以创新为驱动，推动清洁能源技术进步，为全球可持续发展贡献力量。
Joinsun's 21700 and 18650 cells have passed UL 1642, CE, CB, IEC 62133, PSE JIS C 62133, BIS, CCC, Batteries and waste batteries regulation (EU) certifications with TÜV SÜD, and other certification bodies, demonstrating their compliance with global safety and performance standards for lithium battery applications.
Joinsun 的 21700 和 18650 电池已通过 UL 1642、CE、CB、IEC 62133、PSE JIS C 62133、欧盟电池法规等认证，并获得 TÜV SÜD 及其他官方授权认证机构的认可，充分证明其在锂电池应用领域符合全球安全与性能标准。
