Real-time Battery Monitoring
Systems for Critical Power
Real‑time Battery BMS and AI analytics – designed to prevent failures and reduce O&M costs.
Smart Battery Capacity Testing for Reliable Backup Power
Remote online battery capacity monitoring—simple to operate, easy to maintain, and cost-effective.
Smart Power & Energy Monitoring for Efficient Operations
High-accuracy energy metering and multi-circuit monitoring—designed to improve energy visibility, system efficiency, and operational control.
Battery Monitoring Solution & Products
End-to-end solutuion for battery BMS, testing and energy management.
Battery Monitoring Systems
Real-time monitoring for VRLA, Ni-Cd and Lithium-ion batteries BMS.
Smart Battery Capacity Tester
Online capacity testing without load interruption.
48V Smart Lithium-ion Battery
Intelligent lithium-ion battery energy storage system with BMS
Smart Energy Meters
High-accuracy AC/DC meters forcritical power applications.
Battery Monitoring Solutions by Industry
About DFUN
Our Advantages
1,000,000 +
BMS Units Annual Delivery
10+
Years Industry Experience
50% +
R&D Engineers
7*24 Hours Service
Have an excellent after-sales service team to ensure that the first time to solve customer after-sales problems.
Global Layout
With 80+ country presence and ISO certifications, DFUN delivers
partner training, local response.
Technical Support
Prompt assistance and efficient issue
resolution wherever our products are deployed.
DFUN Support
DFUN offers critical infrastructure technologies and rapidly-deployable customized solutions to meet specific business requirements and needs.
Talk to a DFUN Specialist
Need help selecting the right battery monitoring or testing solution? Contact DFUN for expert consultation, technical clarification, and project-specific recommendations.
E-mail：info@dfuntech.com
Phone：+86-756-6123188
Mob：+86-15919182362
WhatsApp：+86 15919182362
Case Study
-
![UPS Battery Management & Monitoring System for Airports | Ensuring Reliable Power at Singapore Airport]( "UPS Battery Management & Monitoring System for Airports | Ensuring Reliable Power at Singapore Airport")
In mission-critical facilities such as airports, data centers, and large campuses, backup power reliability is essential. Managing thousands of batteries in UPS systems has become increasingly complex, and traditional maintenance methods are no longer sufficient. -
![Battery Monitoring System for Flooded Lead-Acid And Ni-Cd Batteries]( "Battery Monitoring System for Flooded Lead-Acid And Ni-Cd Batteries")
Flooded lead-acid and Ni-Cd batteries remain essential for critical DC backup power, but manual inspections cannot provide continuous visibility into battery health. Discover how DFUN BMS monitors voltage, temperature, internal resistance, SOC, SOH, electrolyte level and terminal leakage—helping utilities and industrial operators detect faults early, reduce maintenance workload and improve backup power reliability. -
![Powering The Roof of The World: Remote Battery Capacity Testing Transforms High-Altitude Grid Operations]( "Powering The Roof of The World: Remote Battery Capacity Testing Transforms High-Altitude Grid Operations")
How remote battery capacity testing and an advanced battery monitoring system (BMS) help substations operate safely in extreme high-altitude environments. Through a real-world project in Tibet, DFUN demonstrates how online battery capacity testing for lead-acid battery banks improves reliability, reduces maintenance costs, and ensures uninterrupted backup power for critical grid operations.
