Professional Manufacturing, Reliable Supply Chain

STEC is a trusted lithium battery manufacturer integrating advanced production lines, in-house BMS R&D, and automated quality control systems. Every process — from raw material inspection to cell assembly — follows strict international standards to ensure superior consistency and performance.
With a vertically integrated supply chain and long-term partnerships with Tier-1 suppliers, STEC guarantees efficient sourcing, stable delivery, and competitive pricing. Our streamlined logistics system ensures global customers receive reliable products on schedule.

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Why’s choose STEC Battery？

Elite Cells, Guaranteed Authenticity — Your Trusted Energy System Partner

We supply premium lithium-ion battery cells sourced directly from Samsung, LG, Molicel, Panasonic, Sanyo, and Sony. All products come from official channels, ensuring 100% authenticity and reliable performance.
Whether for power tools, ESS, or custom battery packs, we provide stable supply, professional support, and top-tier quality — helping your projects run with confidence and efficiency.

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Premium Lithium Battery Supply Partner

As a dedicated provider of lithium battery solutions, we specialize in sourcing and supplying high-performance energy products to clients in North America, Europe, and other authorized markets.
We partner with top-tier manufacturers to offer authentic branded cells and custom battery packs with strict quality assurance. From standard cylindrical cells to tailored energy storage solutions, we ensure every product meets international safety standards and reliable performance for diverse industrial and commercial applications.

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Certified for Global Safety and Reliability

Our products meet international certification standards, including CE, UL, UN38.3, RoHS, and IEC, ensuring compliance with global safety and performance requirements. Every cell and battery pack undergoes rigorous quality inspection, from raw materials to final assembly, guaranteeing long-term reliability and stable performance in demanding applications. With a strict quality management system and traceable production process, we provide our partners with batteries they can trust.

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Expert Technical Support & Customization

Our technical team is dedicated to providing the most suitable battery technologies for your specific needs, focusing on performance optimization and safety compliance. Working closely with industry-leading manufacturers and engineers, we deliver tailored energy solutions that meet the evolving demands of international clients — from consumer electronics to energy storage and electric mobility.

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CUSTOMER TESTIMONIALS

Hear from our clients globally

★★★★★

"The quality and performance of the products perfectly met our requirements, and the packaging was extremely professional. Excellent bulk purchasing experience!"

James K.

Germany | Procurement Manager

★★★★★

"Their exceptional R&D capabilities are highly impressive. Our customized battery solution successfully solved a complex power requirement. A great long-term partner."

A. Chen

Singapore | CTO

★★★★★

"The product performance is great, but I hope the shipping speed can be improved next time. Overall, very satisfied with the reliability of this batch of batteries."

Maria S.

Mexico | Engineer

★★★★★

"Outstanding service and reliable quality assurance. Our compliance team was impressed with the provided certifications for the custom cells."

David L.

USA | R&D Specialist

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