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About Duopudun

Duopudun specializes in industrial-grade energy storage R&D and manufacturing, committed to technological innovation and quality excellence, serving the global energy transition.

Two Decades of Excellence

Headquartered in China, Duopudun has complete energy storage R&D, manufacturing and global sales systems. Products cover portable, residential, commercial and HV grid storage, serving Southeast Asia, Middle East, Africa and South America.

We believe: reliable energy storage is fundamental infrastructure for humanity's clean energy future. From military comms towers to Southeast Asian farms, Duopudun always delivers stable, safe, sustainable energy solutions.

100+Senior Engineers
20,000m²Manufacturing Base
100+Patents
24/7Global Support

Automated Production Lines

20,000m² manufacturing base with high-speed SMT automated lines. 100% of products pass IEC standard aging and full-load testing.

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SMT Lines

Automated surface mount, high precision, excellent consistency, daily capacity meets global orders.

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Aging Tests

100% products pass IEC accelerated aging, simulating 10 years of real use.

Full-Load Testing

Every unit tested at 100% load for inverter efficiency, MPPT accuracy and UPS switching.

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Battery Lab

Independent cell testing: puncture/crush/overcharge/short circuit safety tests.

Global Safety Certifications

Duopudun products meet international certification systems, ensuring compliance and customer trust in any market.

IEC 62619
Industrial and residential battery safety standard covering thermal, mechanical and electrical safety. Required.
CE
EU market access, required for all electrical equipment. Meets European health, safety and environmental requirements.
RoHS
EU hazardous substance restriction, ensuring product is free from lead, mercury, cadmium and other harmful substances.
UN38.3
Lithium battery transport safety certification, mandatory for air and sea shipping.
MSDS
Material Safety Data Sheet, required for customs clearance.
ISO9001:2015
Quality management system certification, ensuring stable product quality control and continuous improvement.
ISO14001
Environmental management system certification, demonstrating environmental impact control in manufacturing.

Quality is Our Lifeline

Duopudun adopts automotive-grade manufacturing standards. Every component, every process, every finished product undergoes precise testing and traceability management.

100%
Aging Test
6000+
Cell Cycle Life
99.5%
MPPT Efficiency
<10ms
UPS Switching
Automotive-grade · Full Traceability · Zero Tolerance for Quality Defects