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Dawnice HZEB-HCT-125/522 522kWh Energy Storage System from China Factory – Reliable Power Solutions from Suppliers
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Dawnice HZEB-HCT-125/522 522kWh Energy Storage System from China Factory – Reliable Power Solutions from Suppliers

The Dawnice HZEB-HCT-125/522 is an advanced high-capacity energy storage system, boasting a 522kWh capacity, tailored for commercial and industrial grid-connected applications. With a robust 125kW rated AC power output (230/400VAC, 3W+N+PE), it provides efficient and stable grid support. This all-in-one solution is built using cutting-edge LiFePO₄ battery technology in a 2P260S configuration, ensuring a remarkable lifespan of 8000 cycles at 90% Depth of Discharge (DOD) under optimal 25°C conditions. Designed with a power factor of 0.99 and a current distortion rate of less than 2%, it guarantees reliable performance across diverse environments. With an IP54 protection rating, integrated aerosol fire protection, and air cooling, this system stands out as a comprehensive, turnkey solution for large-scale energy storage demands. As a leading energy storage solutions provider, our factory in China develops systems that meet the highest standards of quality and efficiency, making us a preferred choice among suppliers in the industry

    ⚡ High-Capacity All-in-One Design – 522kWh Reliable Storage

    The Dawnice HZEB-HCT-125/522 integrates 125kW rated AC power and 522kWh battery capacity into a single, comprehensive enclosure. Its 3W+N+PE output type (230/400VAC) with 50/60Hz grid frequency compatibility ensures seamless grid connection for commercial and industrial applications.

    📋 System Specifications
    • Battery Configuration: 2P260S LiFePO₄
    • Nominal Voltage: 832VDC
    • Voltage Range: 728–936VDC
    • Max Charge/Discharge Multiplier: 0.5P
    • Cycle Life: ≥8000 cycles (@25°C, 0.5P, 90% DOD, 70% EOL)

    The all-in-one cabinet design simplifies installation and reduces on-site commissioning time, making it an ideal turnkey solution for factories, commercial buildings, and utility-scale projects requiring stable, high-capacity energy storage.


    🔌 Grid-Connected Excellence with High Power Quality

    Engineered for superior grid interaction, the HZEB-HCT-125/522 delivers exceptional power quality with:

    ⚙️ Power Factor: 0.99
    📉 Current Distortion: <2%
    Rated AC Power: 125kW
    🎯 High-Performance Grid-Tied Capability Enables:
    • Peak shaving and load shifting for electricity cost reduction
    • Grid frequency regulation and voltage support
    • Renewable energy integration and smoothing
    • Demand charge management for C&I users

    The system's advanced inverter technology ensures stable operation and compliance with stringent grid connection requirements worldwide.


    🛡️ Comprehensive Safety and Environmental Protection

    Safety is paramount in the HZEB-HCT-125/522 design, featuring multiple layers of protection:

    🔒 Physical Protection
    • IP54 Rating: Dust-protected and splash-resistant for indoor/outdoor installation
    • Cabinet Dimensions: 2500×2250×2300mm
    • Weight: 5980kg for structural stability
    🔥 Active Safety Systems
    • Aerosol Fire Protection: Integrated suppression system
    • Air Cooling: Efficient thermal management
    • Operating Temp: -30°C to 55°C
    • Altitude: ≤2000m standard operation
    📡 Monitoring & Control
    • Dual MODBUS TCP/RTU protocols for SCADA integration
    • Real-time BMS monitoring of voltage, current, temperature
    • Remote diagnostics and firmware upgrade capability

    With relative humidity tolerance <90% and noise level ≤75dB (≤1m), the system maintains comfortable operation even in sensitive environments.


    🏭 Industrial-Grade Reliability for Long-Term Investment

    🔋 Built for Decades of Service
    • 8000-cycle lifetime at 90% DOD (70% EOL threshold)
    • 0.5P charge/discharge capability for balanced performance and longevity
    • LiFePO₄ chemistry – inherently safe with no thermal runaway risk
    • Proven cell configuration (2P260S) for consistent performance across the bank
    🎯 Ideal Applications
    • Commercial & industrial peak shaving
    • Renewable energy firming (solar/wind integration)
    • Grid ancillary services
    • Backup power for critical infrastructure
    • Microgrid and utility-scale storage projects

    🌍 Global Quality with Local Technical Support

    Trusted by customers in over 160 countries, Dawnice brings decades of energy storage expertise to every installation. The HZEB-HCT-125/522 is manufactured under strict quality control and certified to international standards.

    Why Choose Dawnice for Your C&I Project
    • Turnkey solution – fully integrated and tested before shipment
    • Modular scalability – multiple units can be paralleled for larger projects
    • Global commissioning support available
    • Comprehensive warranty and long-term service agreements
    • Remote monitoring via MODBUS TCP/RTU for easy integration with existing systems

    With our expanding global footprint, including upcoming support hubs in key markets, Dawnice ensures you receive not just world-class products, but also responsive local assistance throughout your project lifecycle.


    ❓ Frequently Asked Questions

    Q What is the total energy capacity of the Dawnice HZEB-HCT-125/522 system?
    The Dawnice HZEB-HCT-125/522 provides 522kWh of usable battery capacity with a rated AC power output of 125kW. It uses a 2P260S LiFePO₄ cell configuration with a nominal voltage of 832VDC, making it one of the most capable all-in-one commercial energy storage solutions available.
    Q How long will the HZEB-HCT-125/522 battery last under regular use?
    The system is rated for a minimum of 8,000 charge/discharge cycles at 90% depth of discharge (DOD) with 70% end-of-life (EOL) capacity retention, tested at 25°C with 0.5P rate. This translates to over 20 years of operational life under typical commercial usage conditions.
    Q Can the HZEB-HCT-125/522 be installed outdoors?
    Yes. The system carries an IP54 protection rating, making it suitable for both indoor and outdoor installations. It operates across a wide temperature range of -30°C to 55°C and at altitudes up to 2,000 meters, ensuring reliable performance in diverse climatic and geographic conditions.
    Q What communication protocols does the system support for integration with SCADA or building management systems?
    The HZEB-HCT-125/522 supports dual MODBUS TCP and MODBUS RTU communication protocols, enabling straightforward integration with SCADA systems, building energy management systems (BEMS), and other industrial control platforms. Remote diagnostics and firmware upgrades are also supported.
    Q Is it possible to scale up the system for larger energy storage requirements?
    Absolutely. The HZEB-HCT-125/522 is designed with modular scalability in mind. Multiple units can be connected in parallel to meet the demands of larger commercial, industrial, or utility-scale projects, providing a flexible and cost-effective path to expanded storage capacity.
    Q What safety features protect against fire or battery thermal events?
    The system incorporates an integrated aerosol fire suppression system specifically designed to address battery thermal events. Combined with the inherently stable LiFePO₄ chemistry — which carries no thermal runaway risk — and an efficient air cooling system, the HZEB-HCT-125/522 delivers multiple layers of active and passive fire safety protection.