GoodWe 56.3kWh High-Voltage Battery Bank

GoodWe 56.3kWh High-Voltage Battery Bank

The GoodWe 56.3kWh High-Voltage Battery Bank is a large-scale high-voltage lithium energy storage system engineered for commercial and industrial solar applications where high capacity, long service life, and system scalability are essential. Built as part of GoodWe’s BAT Series, this battery system is designed to operate as a modular, stackable energy storage solution that integrates seamlessly with compatible GoodWe high-voltage hybrid and PCS inverters. This battery bank is not a single battery module. It is a complete high-voltage battery system composed of multiple 5.12kWh battery packs stacked and managed as a single coordinated energy storage unit. The system is intended for professional installations where energy must be stored, controlled, and delivered reliably under sustained load conditions.  

System Architecture and Operating Concept

The GoodWe 56.3kWh HV battery bank is built using a modular stacking architecture consisting of eleven 5.12kWh lithium battery packs. These packs are connected internally to form a high-voltage battery system with a nominal system voltage of approximately 563V. This architecture allows the battery system to deliver high power with lower current, improving overall system efficiency, reducing cable losses, and enabling safe operation at higher energy capacities. The system is managed through an integrated battery management system that continuously monitors voltage, current, temperature, and state of charge across all battery packs.  

High-Voltage Lithium Iron Phosphate Technology

The battery system uses lithium iron phosphate (LiFePO₄) cell chemistry, selected for its thermal stability, long cycle life, and inherent safety advantages in high-capacity energy storage applications. This chemistry is well suited to daily cycling in commercial solar systems where reliability and longevity are critical. The system is designed to deliver up to 100% depth of discharge while maintaining long-term performance, making the majority of the stored energy usable for real-world applications.  

Scalability and System Expansion

The GoodWe BAT Series supports flexible capacity scaling through stackable battery packs. The 56.3kWh configuration represents the maximum capacity within a single battery stack. For larger installations, multiple battery racks can be connected in parallel, allowing total system capacity to scale well beyond 300kWh when required. This modular approach allows system designers to match battery capacity precisely to site energy requirements while maintaining a consistent platform across projects.  

Safety, Monitoring and Protection

Safety is a core design principle of the GoodWe HV battery system. Each battery pack is monitored at cell and system level to ensure safe operation under all conditions. Protection functions include over-voltage, under-voltage, over-current, short-circuit, and over-temperature protection. An optional aerosol-based fire suppression system can be integrated at pack level for enhanced safety in high-energy installations. The system supports intelligent monitoring and status indication via LED indicators and communicates directly with compatible inverters through CAN communication.  

Applications and Use Cases

The GoodWe 56.3kWh HV battery bank is designed for applications where large amounts of energy storage are required, including commercial buildings, industrial facilities, agricultural operations, warehouses, office parks, and grid-interactive solar energy systems. It is suitable for systems focused on energy cost optimisation, peak shaving, backup power during grid outages, and high self-consumption of solar generation.  

Technical Specifications – GoodWe HV Battery 56.3kWh

Battery System

• Battery chemistry: Lithium Iron Phosphate (LiFePO₄)
• System configuration: High-voltage stacked battery system
• Number of battery packs: 11
• Battery pack model: GW5.1-PACK-I-G10
• Pack nominal energy: 5.12 kWh per pack

Energy and Electrical

• Nominal energy: 56.3 kWh
• Usable energy: 55.0 kWh
• Nominal system voltage: 563.2 V
• Operating voltage range: 505.12 – 635.36 V
• Maximum charge current: 100 A
• Maximum discharge current: 110 A
• Maximum charge power: 56.3 kW
• Maximum discharge power: 61.9 kW

Performance

• Depth of discharge: 100%
• Cycle life: 6000 cycles (25°C, 0.5C, 90% DOD, 70% end of life)
• Round-trip efficiency: 96%

Environmental and Physical

• Cooling method: Natural cooling
• Operating temperature (charge): 0°C to +55°C
• Operating temperature (discharge): -20°C to +55°C
• Ingress protection rating: IP20
• Total system weight: 517 kg
• Dimensions (W × H × D): 481 × 1753 × 552 mm

Communication

• Communication interface: CAN
• Optional communication: RS485