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China Dawnice HZEB-HCT-125/522 522kWh All-in-One Energy Storage System - Suppliers & Factory Direct
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China Dawnice HZEB-HCT-125/522 522kWh All-in-One Energy Storage System - Suppliers & Factory Direct

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The Dawnice HZEB-HCT-125/522 is a state-of-the-art energy storage system designed for commercial and industrial applications, boasting a high capacity of 522kWh. This all-in-one solution supports grid connectivity with a robust 125kW rated AC power output (230/400VAC, 3W+N+PE), ensuring efficient and reliable grid support. Utilizing advanced LiFePO₄ battery technology in a 2P260S configuration, this model offers an exceptional lifespan of 8000 cycles at 90% DOD in optimal 25°C conditions. With a power factor of 0.99 and a current distortion rate of less than 2%, it guarantees stable performance across various environments. Its IP54 protection rating, combined with integrated aerosol fire protection, air cooling, and MODBUS TCP/RTU communication, makes the Dawnice HZEB-HCT-125/522 a complete turnkey solution for large-scale energy storage needs. We are proud to be recognized among leading China suppliers and manufacturers, delivering factory-quality products tailored for your energy requirements.

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    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: 0.99Adjustable range from 1 leading to 1 lagging
    🔌
    Current Distortion: <2%Ensuring clean power injection to the grid
    ⚙️
    Rated AC Power: 125kWContinuous grid-connected output

    🎯 This 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.

    Robust Cabinet: 2500×2250×2300mm | 5980kg for stability.

    🔥 Active Safety Systems

    Aerosol Fire Protection: Integrated suppression for battery thermal events.

    Air Cooling: Efficient thermal management without liquid cooling.

    Operating Temp: -30°C to 55°C – suitable for extreme climates.

    Altitude: ≤2000m standard operation.

    📡 Monitoring & Control

    Communication: Dual MODBUS TCP/RTU protocols for SCADA integration.

    ● Real-time BMS monitoring of voltage, current, temperature across all cells.

    ● Remote diagnostics and firmware upgrade capability.

    🌡️ Environmental Ratings

    Relative Humidity: <90% tolerance

    Noise Level: ≤75dB (≤1m) — comfortable for sensitive environments.


    Industrial-Grade Reliability for Long-Term Investment

    🏭 The HZEB-HCT-125/522 is built for decades of service with:

    ● 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:

    🏢 C&I Peak Shaving
    ☀️ Solar/Wind Firming
    🔋 Grid Ancillary Services
    🏥 Critical Backup Power
    🌐 Microgrid & Utility-Scale

    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
    What is the total energy capacity of the Dawnice HZEB-HCT-125/522?
    The HZEB-HCT-125/522 offers a total battery capacity of 522kWh, paired with a 125kW rated AC power output. It uses a 2P260S LiFePO₄ battery configuration at a nominal voltage of 832VDC, making it highly suitable for commercial and industrial energy storage applications.
    How long does the HZEB-HCT-125/522 battery last?
    The system is designed for a cycle life of ≥8000 cycles under standard test conditions (25°C, 0.5P charge/discharge rate, 90% depth of discharge, with 70% end-of-life capacity retention). This translates to well over 20 years of productive service when properly maintained.
    Is the HZEB-HCT-125/522 suitable for outdoor installation?
    Yes. The cabinet carries an IP54 protection rating, making it dust-protected and splash-resistant for both indoor and outdoor deployment. It operates across a temperature range of -30°C to 55°C and can function at altitudes up to 2000m, ensuring reliable performance in diverse and demanding environments.
    What communication protocols does the system support for integration?
    The HZEB-HCT-125/522 supports dual MODBUS TCP/RTU communication protocols, enabling straightforward integration with SCADA systems, building energy management systems (BEMS), and other third-party platforms. It also supports remote diagnostics and over-the-air firmware upgrades for long-term maintainability.
    Can multiple HZEB-HCT-125/522 units be connected together for larger projects?
    Absolutely. The system is designed with modular scalability in mind — multiple units can be paralleled to meet the energy storage demands of larger commercial, industrial, or utility-scale projects. This flexibility allows customers to right-size their initial investment and expand capacity as needs grow.
    What fire and safety systems are built into the HZEB-HCT-125/522?
    The system incorporates an integrated aerosol fire suppression system specifically designed to handle battery thermal events. Combined with real-time BMS monitoring of cell voltage, current, and temperature, plus the inherent thermal stability of LiFePO₄ chemistry (no thermal runaway risk), the HZEB-HCT-125/522 meets the highest safety standards for energy storage installations.