Marwynn, Inc. (NASDAQ: MWYN) is a designer and manufacturer of advanced lithium-ion battery systems tailored for electric vehicles (EVs) and stationary energy storage markets. Since its founding in 2014 and headquartered in San Jose, California, Marwynn has focused on delivering high-energy-density cells, modular battery packs, and integrated software solutions to support the electrification goals of automotive OEMs, commercial fleets, and utility providers. The company’s end-to-end offerings encompass cell development, pack assembly, battery management systems (BMS), and system integration services.
In the electric vehicle segment, Marwynn supplies customized battery modules and complete pack assemblies optimized for passenger cars, light commercial vehicles, and specialty transport applications. Complementing its automotive business, the company’s stationary storage division provides scalable energy storage systems (ESS) for grid stabilization, renewable energy integration, and backup power solutions. Marwynn’s proprietary BMS software enhances cell performance, monitors safety parameters in real time, and enables predictive maintenance through data analytics.
Marwynn operates across North America, Europe and Asia, with manufacturing facilities in the United States and Germany and research and development centers in California and South Korea. Its global footprint allows for localized production, supply chain resilience and collaborations with leading automakers, utilities and industrial integrators. The company’s strategic partnerships with raw-material suppliers, recycling specialists and energy developers underpin its commitment to cost-effective, circular solutions throughout the battery lifecycle.
Led by CEO Dr. Jane Smith—an industry veteran in electrochemistry—and CTO Mark Johnson, Marwynn maintains a robust research pipeline focused on next-generation electrode chemistries, solid-state cell development and advanced thermal management. The leadership team emphasizes sustainability, safety and long-term performance as core pillars of the company’s mission to accelerate the global transition to clean energy and mobility.
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