Sodium-ion Battery Manufacturing by Syntropic Power in the USA
Sodium-ion battery manufacturing is gaining momentum in the United States as Syntropic Power announces its commitment to domestic production. Founded in 2024 as Emtel Energy USA, Syntropic Power has rebranded and launched a family of sodium-ion energy storage systems. These products cater to the needs of grid operators, commercial facilities, and residential users who seek reliable, sustainable, and lithium-free alternatives.
Syntropic Power’s Sodium-Ion Battery Product Lines
Syntropic Power has introduced three distinctive product lines designed for a range of stationary energy storage applications.
- GridSurge: This system provides extreme-cycling, fast-response, short-duration storage, suitable for rapid energy needs and frequent cycling.
- GridSpan: Modular long-duration storage capable of ensuring resiliency for six hours and even longer. It addresses grid stability and backup during emergencies.
- Tenet: Syntropic Power designed this solution for residential and light commercial use, making energy independence more accessible and affordable for homeowners and small businesses.
Committed to Safe and Sustainable Energy Storage
The company’s sodium-ion technology does not rely on lithium. This choice enhances sustainability and meets the growing demand for alternative battery chemistries. With sodium being more abundant and sourced more locally, Syntropic Power’s systems significantly reduce reliance on imported materials. The sodium-ion designs offer improved performance, especially for long-duration grid and commercial storage applications. This innovative approach delivers reliability, scalability, and safety.
Phillip Martin, CEO of Syntropic Power, stated that the company’s new identity demonstrates a clear mission: to empower communities through safe, accessible, and sustainable energy storage. This vision aligns with the accelerating U.S. market, which requires confidence in both supply chain transparency and technical validation. Syntropic Power supports its products through rigorous certification, insurance acceptance, and a fully domestic supply chain. All these factors build trust among stakeholders and enable efficient deployment at scale.
Building Domestic Manufacturing Capacity
Syntropic Power’s headquarters are in North Carolina, anchoring its commitment to American manufacturing. To meet increasing demand, the company is building manufacturing capacity capable of supporting up to 2 GWh of projects in 2026. This substantial scale-up emphasizes its preparedness for large-scale deployments and highlights its confidence in the technology’s commercial viability.
The company’s cells have completed UL 9540A testing, demonstrating excellence in fire safety. This certification reassures partners, customers, and regulators about operational safe operation under real-world conditions. In parallel, Syntropic Power is collaborating with the Battery Development Center at the Rochester Institute of Technology. This ISO 17025-accredited laboratory conducts an independent testing program, providing third-party evaluation of the sodium-ion cells. The tests are structured to mimic realistic stationary storage operations, validating that Syntropic Power’s products deliver consistent, thermally stable, and safe electrical performance.
Accelerating Toward Commercial Deployment
Syntropic Power plans to initiate key proof of concept pilot projects by mid-2026. After successful pilots, the company expects to proceed rapidly to commercial deployment. By aligning product readiness with validation and manufacturing timelines, Syntropic Power aims to streamline customer adoption and deployment throughout the United States. With its focus on domestic supply, third-party validation, and scalable manufacturing, Syntropic Power positions itself as a front-runner in the sodium-ion battery market for energy storage.
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