News & Guides
Inside Our Capabilities: Protection Boards, Cell Grading and Assembly
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Update time : 2026-10-17
Protection board R&D
Dongguan Zonglian has research and development capabilities for battery protection boards. Project discussions begin with the intended battery configuration, connector and technical requirements.
Cell grading and finished assembly
Our capabilities include cell grading and finished battery assembly. Product specifications and quality requirements guide the manufacturing discussion.
Factory quality control
A strict quality control system is implemented in our factory. Business customers can discuss the requirements for their selected products, including the documentation needed for the destination market.
Related information
LIONFREEGO product catalog · About our company · Contact LIONFREEGO
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