June Power June Power

OEM/ODM Custom Rack Mounted Energy Storage Factories & Supplier

Empowering Global Industry with Intelligent, Scalable, and High-Efficiency Energy Storage Solutions

The Global Landscape of Rack Mounted Energy Storage

As the world pivots toward a decentralized and decarbonized energy future, Rack Mounted Energy Storage Systems (ESS) have emerged as the backbone of modern commercial and industrial (C&I) infrastructure. Unlike traditional bulk storage, rack-mounted designs offer unparalleled flexibility, allowing businesses to scale their energy capacity in modular increments. From data centers in Silicon Valley to manufacturing hubs in Germany, the demand for high-density lithium-ion battery racks is skyrocketing.

Currently, the global energy storage market is witnessing a shift from lead-acid legacy systems to Advanced LiFePO4 (Lithium Iron Phosphate) technologies. These systems are prized for their 6,000+ cycle life, thermal stability, and compact footprint, making them ideal for indoor installations where space is at a premium.

Governments across Europe, North America, and the Asia-Pacific are incentivizing battery adoption through subsidies and carbon credit programs. This has turned energy storage from a "luxury backup" into a "strategic asset" for peak shaving, load shifting, and achieving ESG (Environmental, Social, and Governance) targets.

Commercial Excellence: High-Voltage Modular Systems

Our flagship high-voltage rack systems are designed for intensive industrial use. Featuring a sophisticated multi-level BMS, these racks ensure balanced charging across hundreds of cells, maximizing lifespan and safety. Whether you are managing a microgrid or a commercial office building, our 50kWh modules provide the stability your operations require.

By choosing our OEM services, you can customize the voltage range, communication protocols (CAN/RS485), and even the aesthetic branding to match your corporate identity.

Rack Storage Product

Industry Trends: The Future of Modular Battery Design

The rack-mounted energy storage industry is moving toward "Software-Defined Hardware." Modern systems are no longer just batteries; they are intelligent nodes in a smart grid. Key trends include:

  • AI-Driven BMS: Artificial intelligence is being used to predict cell failure and optimize discharge patterns based on real-time electricity pricing.
  • Higher Energy Density: The transition to 280Ah and 300Ah+ cells allows for more power in the same 19-inch rack dimensions.
  • Liquid Cooling Integration: For high-C-rate applications, liquid cooling is becoming a standard option for rack-mounted units to maintain optimal temperatures during rapid cycling.

Global Procurement Needs: What B2B Buyers Look For

International procurement managers from EPC (Engineering, Procurement, and Construction) firms and energy aggregators prioritize three pillars: Reliability, Compliance, and Scalability.

Reliability means sourcing from factories that use Tier-1 cells (like CATL, EVE, or BYD). Compliance involves meeting stringent international standards such as UL1973, CE, UN38.3, and IEC62619. Scalability ensures that a system installed today can be expanded five years from now without compatibility issues—a core strength of our rack-mounted design.

Localized Application Scenarios

C&I Application

Commercial & Industrial (C&I)

Reducing peak demand charges for factories and supermarkets through strategic energy discharge.

Utility-scale

Utility-scale Storage

Providing frequency regulation and voltage support to national and regional grids.

Solar power

Solar Power Fields

Converting intermittent solar generation into a stable, 24/7 dispatchable power source.

In remote regions of Africa and Southeast Asia, our rack-mounted systems serve as the heart of Off-Grid Microgrids, bringing electricity to hospitals, schools, and telecommunication towers. In developed urban centers, they provide UPS (Uninterruptible Power Supply) functions for mission-critical data centers.

Integrated Solar Storage Solutions

Our Sunsky series represents the pinnacle of integration. By combining the battery racks with high-efficiency inverters and EMS software, we offer a "Plug-and-Play" solution for large-scale energy projects. This reduces installation time by up to 40% and minimizes on-site wiring errors.

Designed for resilience, these systems can withstand extreme temperatures and are housed in IP54 or IP65 rated cabinets for outdoor versatility.

Solar Power System

Why Partner with a Leading Chinese OEM/ODM Factory?

China is the global powerhouse of battery technology, controlling over 70% of the world's lithium-ion supply chain. Partnering with Hunan June Power Technology Co., Ltd gives you a direct competitive edge:

Direct Supply Chain Integration

We source raw materials and cells directly from the source, eliminating middleman markups and ensuring consistent component quality for your custom projects.

Advanced R&D Capabilities

With our doctoral research workstations and partnerships with top universities like NUAA and NUIST, we stay at the cutting edge of inverter and BMS technology.

Unmatched Cost-Efficiency

Our 100,000 m² manufacturing base allows for economies of scale that localized western assembly plants simply cannot match, passing the savings to you.

Global Service Network

With branches in Los Angeles, Warsaw, Tokyo, and Riyadh, we provide the "Local Presence" you need with the "Global Expertise" we possess.

About Us

Hunan June Power Technology Co., Ltd

Hunan June Power Technology Co., Ltd. is a national high-tech enterprise located in Jiangbei New Area, Nanjing. June focuses on the R&D, production, and sales of PCS, Hybrid Inverters, Energy Storage Systems (ESS), and Microgrid Systems, while also engaging in the investment, development, and construction of photovoltaic and energy storage power plants.

The company operates an R&D and manufacturing base of over 100,000 m², and its products are distributed in more than 100 countries and regions across Europe, the Americas, Oceania, Africa, the Middle East, and Southeast Asia. To deliver efficient, localized technical support and services, the company has established overseas branches in Los Angeles, Warsaw, Tokyo, and Riyadh, forming a global service network that continuously provides high-quality solutions and services to clients worldwide.

In addition, June has established strategic partnerships with several leading universities, including NUAA, NUIST, and NJUIT. Together, they have set up doctoral research workstations and co-developed talent cultivation platforms dedicated to the transformation of scientific achievements in the new energy sector.

June Power Facility
  • 100,000+

    Square Meters of Production Area

  • 100+

    Strong Technical Expertise

  • 80+

    Utility Model Patents

  • 100+

    Global Market Presence

The OEM/ODM Process: From Concept to Commissioning

We don't just supply batteries; we engineer solutions. Our OEM/ODM workflow is designed to be seamless for international partners:

  1. Consultation & Requirement Analysis: We define the capacity, voltage, and environmental constraints of your project.
  2. Technical Design: Our engineers create a 3D model and circuit diagrams for your custom rack configuration.
  3. Prototyping: A sample is produced and subjected to rigorous stress tests in our labs.
  4. Mass Production: Once approved, we move to full-scale production in our automated 100,000 m² facility.
  5. Global Logistics & Support: We handle the complex UN38.3 shipping requirements and provide remote or on-site commissioning support.

Our commitment to quality is unwavering. Every rack-mounted unit undergoes an End-of-Line (EOL) test that simulates real-world discharge cycles, ensuring that when the product reaches your site, it performs exactly as specified.