
A Global Intelligent Battery Monitoring Solutions Company
Who is DFUN?
Established in April 2013, DFUN (ZHUHAI) CO., LTD. is a national high-tech enterprise, which focuses on Battery Monitoring System , Battery Remote Capacity Tester, Smart Lithium-ion Battery. DFUN has branch offices in domestic & International and agents in more than 60+ countries, providing total solutions for both hardware & software services to customers worldwide.
Mission and Values
Stay powered Stay protected

Innovate with Purpose
We transform battery data into actionable insight, helping customers identify risks earlier and protect critical power with confidence.

Engineer for Reliability
From cell-level monitoring to online capacity testing, we build dependable solutions for systems that cannot afford to fail.

Succeed Together
We create lasting value through close collaboration, responsive support, and long-term partnerships with our customers and partners.
Our Journey

Factory Tour

Professional Quality Testing Center

Certificates
DFUN is committed to innovation and global compliance, delivering reliable battery monitoring & testing solutions worldwide.


OUR PARTNER

