DFUN Tech provides solutions for different fields, such as data center, telecom, power utility, industry etc. We have one-stop solution services, including full automation, multi-level warning, and online remote monitoring. With all these services, more mistakes can be avoided, less risk of accident and cost less, so that customers always have an excellent purchasing experience with us.

Dater Center

Providing different battery monitoring solutions for different UPS rooms

Data Center Solution

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Measuring and alarm for residual current and cable temperature, battery monitoring, etc.

Telecom Solution

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Especially for substation Ni-cd battery or lead-acid battery.

Utility Solution

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Real-time online monitoring, timely identification of outdated and failed batteries.

Industry Solution

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On/Off Grid Hybrid Inverter integrated local EMS system.

Renewable Solution

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DFUN has 5 Production Line: Battery Monitoring System Solution, iUPS Monitoring Solution, Energy Storage and Energy Meter. Products Are Widely Used All Over The World.









300, 000


DFUN (ZHUHAI) CO., LTD Is A National High-Tech Enterprise , Which Was Established In April 2013, Located In ZHUHAI, With Modern Office And Professional Factory, And Has Built Several Different Branches In Nanjing, Guangzhou & Shenzhen. DFUN Provides Comprehensive Hardware & Software Solutions to the Customers From All Over the World. As a High-Tech Enterprise, DFUN Tech has Integrated Design, Production & Sales for the Products and Systems, Such as, Lithium Battery Pack, Energy Storage System, Power & Environment Monitoring System, Battery Online Monitoring System, UPS/EPS Monitoring System, Energy Storage System. Inheriting the Concept of Quality-oriented and Service-prioritized, And With the “Market-oriented and Customer-centric First”Business Philosophy DFUN Tech Always Offers the High performance Products and Service to Esteemed Customers to Help them Save Troubles. The Sales and Service Network is Nationwide in Domestic Market. DFUN Products Have Been Exported to More than 50 Countries All Over the World.


DFUN  Is Trusted By Thousands Of Companies All Over The World. So Far, DFUN Products Have Been Exported To Over More Than 50 Countries, Such As Russia, USA, UAE, Pakistan, Thailand, Australia, South Africa, Nigeria, Sudan, Morocco, Mexico, India, Brazil, Colombia…


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  • Happy Chinese New Year of Tiger!

    Happy Chinese New Year of Tiger! We will be closed from Jan. 28th to Feb. 6th for Chinese New Year holiday. And will be back to work on Feb. 7th, 2022. Wishes you and your family Peace, Harmony, Good Health and Prosperity. DFUN team will always be online if anything. Best Wishes,
  • DFUN Year-end Sales meeting 2021

    DFUN Year-end Sales meeting 2021. Battery Market l Summarize l Share Sharing experiences , finding the right ways, setting goals for 2022. We are the ONE, we are team, we are together !!
  • Happy Merry Christmas 2021

    Warmest wishes for a wonderful Christmas and a Happy New Year. May peace, love, and prosperity follow you always.
  • Happy Thanksgiving 2021

    It’s Thanksgiving Day again upon a year, thanks for your interest in DFUN products and support to us all the time. Hope you and your family are filled with happiness, joy and prosperity. Cheers for stable and further cooperation between us in the future.
  • Wired Vs. Wireless Battery Monitoring System: Which One Is Better?

    Remote battery monitoring is critical to your operations. Without a reliable monitoring solution, you have no way of knowing when battery faults occur accident after hours unless you have personnel at the facility 24/7. Even then, you run the risk of overlooking equipment issues or status changes that cannot be detected without the appropriate sensors and monitoring system installed.
  • The Best Battery Monitors for Data Center

    The best battery monitors in a data center must provide the highest availability, accurate battery temperature, voltage monitoring, and long service life. An excellent choice of battery monitors is those from DFUN. As one of the most trusted battery management system manufacturers, DFUN always offers high-quality products with state-of-the-art design, superior quality raw materials, special cables, an integrated laboratory for R&D purposes, and advanced assembly techniques.
  • 3 Things of Battery Monitoring Systems in the Telecommunication Field

    How to make sure the backup power systems are operating safely and stable, especially when the BTS tower is far away and separately in different areas? Reading this article will help you learn more information about remote battery monitoring system for the telecom industry.
  • Top Application of Smart Battery Monitoring System in Substation

    A battery monitoring system is crucial for any industry that relies on batteries for backup power, such as substations. As the power supply for DC equipment of the substation, batteries are directly related to the normal operation of the substation and the safety of the power supply.
  • Thailand Factory

    o ensure the backup battery normal running, the plant in Thailand chooses DFUN Battery Monitoring System to real-time monitor the battery health status.
  • Malaysia Lion Data Center

    DFUN Battery Monitoring System applied to Malaysia Lion Data Center. UPS brand: EATON UPS, Battery brand: C&D battery
  • Thailand MET (Metropolitan Electricity Authority) DC Charger

    DFUN Battery Health Monitoring System applies to Thailand MET (Metropolitan Electricity Authority) DC Charger Project. Real-time online monitoring OPZV 2V Battery.
  • Indonesia Dairy Milk Industry

    DFUN Battery Monitoring System is applied to Dairy Milk Industry in Indonesia. 24 hours online monitoring and balancing 12V 100A lead-acid battery.


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