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

The Dawnice HZEB-HCT-125/522 is a cutting-edge energy storage system with a high capacity of 522kWh, designed specifically for commercial and industrial grid-connected applications. This powerful system features a 125kW rated AC power output (230/400VAC, 3W+N+PE), providing efficient and stable support for the grid. Utilizing advanced LiFePO₄ battery technology in a 2P260S configuration, it boasts an impressive lifespan of 8000 cycles at 90% depth of discharge (DOD) under 25°C conditions. With a power factor of 0.99 and a current distortion rate of less than 2%, this energy storage solution delivers reliable performance in various environments, Designed with IP54 protection, the HZEB-HCT-125/522 incorporates integrated aerosol fire protection, air cooling, and MODBUS TCP/RTU communication capabilities. This makes it a complete and turnkey solution for large-scale energy storage needs. As a leading product from trusted China suppliers, our factory ensures high-quality standards and exceptional performance, catering to your energy storage requirements efficiently

    ⚡ 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 (adjustable range from 1 leading to 1 lagging)

    Current Distortion Rate: <2% – ensuring clean power injection to the grid

    Rated AC Power: 125kW continuous 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
    • Cabinet Dimensions: 2500×2250×2300mm
    • Weight: 5980kg for structural stability
    🔥 Active Safety Systems
    • Aerosol Fire Protection: Integrated suppression for thermal events
    • Air Cooling: Efficient thermal management
    • Operating Temp: -30°C to 55°C
    • Altitude: ≤2000m standard operation
    📡 Monitoring and 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
    ⚠️ 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

    💪 The HZEB-HCT-125/522 is 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
    ⚡ C&I Peak Shaving ☀️ Renewable Energy Firming 🔧 Grid Ancillary Services 🏥 Backup Power 🔋 Microgrid & Utility-Scale Storage

    🌐 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?
    The HZEB-HCT-125/522 provides 522kWh of usable battery capacity with a rated AC power output of 125kW. It uses a 2P260S LiFePO₄ battery configuration at a nominal voltage of 832VDC, making it one of the most capable all-in-one BESS solutions for commercial and industrial applications.
    Q How many charge/discharge cycles can the system handle?
    The system is rated for ≥8000 cycles under standard test conditions of 25°C, 0.5P charge/discharge rate, and 90% depth of discharge (DOD), with an end-of-life (EOL) threshold set at 70% of original capacity. This translates to over 20 years of daily cycling under typical operating conditions.
    Q Is the HZEB-HCT-125/522 suitable for outdoor installation?
    Yes. The system carries an IP54 protection rating, making it dust-protected and splash-resistant. It can operate in temperatures ranging from -30°C to 55°C and at altitudes up to 2000m, making it suitable for a wide variety of indoor and outdoor environments, including harsh climates.
    Q What communication protocols does the system support for integration?
    The HZEB-HCT-125/522 supports dual MODBUS TCP and MODBUS RTU communication protocols, enabling seamless integration with existing SCADA systems, energy management platforms, and building automation systems. Remote diagnostics and firmware upgrades are also supported over these protocols.
    Q Can multiple units be connected together for larger energy storage projects?
    Yes. The HZEB-HCT-125/522 is designed with modular scalability in mind. Multiple units can be paralleled to create larger energy storage systems suitable for utility-scale projects, microgrids, or large commercial facilities requiring capacities well beyond a single unit's 522kWh.
    Q What safety systems are built into the HZEB-HCT-125/522?
    The system incorporates multiple layers of safety, including an integrated aerosol fire suppression system for battery thermal events, air-based cooling for thermal management, real-time BMS monitoring of voltage, current, and temperature across all cells, and LiFePO₄ chemistry which is inherently stable with no thermal runaway risk. The IP54-rated cabinet further protects against environmental ingress.