Company

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.

100+ Senior Engineers

20,000m² Manufacturing Base

100+ Patents

24/7 Global Support

Company Profile

Focused on Energy Storage Manufacturing

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 a key part of clean-energy infrastructure. From remote telecom sites to farms in Southeast Asia, Duopudun delivers stable, safe, and sustainable energy solutions.

Duopudun ESS Manufacturer

Senior Engineers 100+

Manufacturing Base 20,000m²

Patents 100+

Global Support 24/7

Manufacturing

Automated Production Lines

20,000m² manufacturing base with automated production lines. Core products go through aging, full-load and final inspection procedures.

01 SMT

SMT Lines

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

02 Aging

Aging Tests

Core products go through accelerated aging tests to verify long-term operating stability.

03 Load

Full-Load Testing

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

04 Lab

Battery Lab

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

Certifications

Global Safety Certifications

Duopudun products are designed and tested around major international certification systems to help customers meet target-market compliance requirements.

IEC 62619 Industrial and residential battery safety standard covering thermal, mechanical and electrical safety requirements.

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 Policy

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

Traceable manufacturing · Key-process inspection · Strict quality control