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Custom Lithium ion Battery
Safe and Fast
Dongguan LARGE Electronics Co., Ltd. is dedicated to providing safe and efficient customized lithium battery solutions for global customers. The company has a registered capital of RMB 30 million, operates on a 15,000 m² manufacturing site, and employs over 280 staff, with R&D engineers accounting for more than 30% of the workforce.
LARGE has established long-term strategic partnerships with over 200 well-known domestic and international brands. Its customized lithium battery solutions have been successfully applied across industries including power systems, medical devices, security, telecommunications, rail transit, petrochemical, and instrumentation. To date, the company has delivered customized battery solutions for 70+ listed companies and completed over 2,680 mass-production projects.
R&D Capabilities
- 7 professor-level experts
70+ member R&D teamled by 7 professor-level experts, supported by dedicated platforms including the Specialty Lithium Battery Engineering Research institute, Guangdong Photovoltaic Energy Storage Engineering Technology Center, Battery PACK Technology Center,and Power supply Technology Center
- Dongguan Key Laboratory
An in-house testing center recognized as a Dongguan Key Laboratory,equipped with 109 test capabilities compliant with both domestic and international standards
- 18 invention patents
Strong intellectual property portfolio:18 invention patents, 49 utility model patents,9 design patents, and 8 software copyrights
Manufacturing Capabilities
LARGE has established an integrated manufacturing system for customized cells and battery packs.
Specialty Cell Manufacturing Center:
Three production lines for cylindrical cells,polymer
winding,and polymer stacking,with an annual capacity
of 210 MWh,enabling high-quality,multi-type,multi-
model,and small-to-medium batch custom production
Lithium Battery PACK Manufacturing Center:
Nine production lines covering low, medium, and high-power battery packs, with an annual capacity of 4 GWh,supporting multi-variant, multi-batch,fast-responsecustomized PACK production at high quality
Corporate Qualifications
National-Level Specialized & Innovative ”Little Giant” SME and National High-Tech Enterprise (China)
Management System Certifications:ISO 9001/ISO 14001/ISO 45001/ISO 13485
Product Certifications: UL,CB, CE, BSMI, PSE, KC, ROHS, REACH, FCC, UN 38.3, CCC, CQC, and more
Company
History
2025
2020
Battery Cells, Packs and Power supplies
2015
Institute of Special Purpose Lithium-lon Battery Engineering Guangdong Province Engineering and Technology Center for Photovoltaic Energy Storage
2009
National High-Tech Enterprise Guangdong Provincial Private Technology Enterprise IS014001 Certified ISO9001 Certified
2002
Dongguan Large Electronics Co., Ltd (LARGE) was officially established.