

PowerStack Series Commerical Energy Storage System
Solar Energy Storage Systems (ESS) enable renewable power by storing excess solar energy, stabilizing grids, supporting off-grid operations, reducing peak demand costs, and optimizing energy dispatch via AI-driven management.
PowerStack Series Commercial Energy Storage System
Models: ST535kWh-250kW-2h, ST570kWh-250kW-2h, ST1070kWh-250kW-4h, ST1145kWh-250kW-4h
COST OPTIMIZATION
Pre-integrated modular ESS design for simplified logistics and reduced operational costs.
Factory-assembled units eliminate on-site battery handling and enable turnkey deployment.
Rapid commissioning within 8 hours through standardized installation protocols.
SAFETY ARCHITECTURE
Multi-stage DC protection system combining millisecond-level circuit interruption and anti-arc technology.
Triple-redundant battery protection layers through independent monitoring subsystems.
Intelligent leak detection with automated liquid replenishment (patented failsafe mechanism).
EFFICIENCY & ADAPTABILITY
AI-enhanced liquid cooling system improves energy efficiency by 18% and extends cycle life to 7,000 cycles.
Scalable modular configuration supports parallel expansion without downtime.
Space-optimized front-access cabling eliminates overhead tray requirements.
INTELLIGENT OPERATIONS
Real-time system diagnostics with predictive fault localization (50+ parameter monitoring nodes).
Embedded lifecycle analytics for battery health tracking and performance benchmarking.
Automated maintenance protocols including self-sealing coolant circuits and OTA firmware updates.
Type DesignationST535kWh-250kW-2hST570kWh-250kW-2h
Battery cabinet data
- Cell typeLFP
- System battery configuration300S2P320S2P
- Battery capacity (BOL) at DC side537kWh573kWh
- System output voltage range810~1095V864~1168V
- Weight of battery unit5.9T (single cabinet)6.1T (single cabinet)
Type DesignationST1070kWh-250kW-4hST1145kWh-250kW-4h
Battery cabinet data
- Cell typeLFP
- System battery configuration300S2P*2320S2P*2
- Battery capacity (BOL) at DC side537kWh*2573kWh*2
- System output voltage range810~1095V864~1168V
- Weight of battery unit5.9T (single cabinet)6.1T (single cabinet)
- Dimensions of battery unit (W * H * D)2180 * 2450 * 1730mm (single cabinet )
- Degree of protectionIP54
- Anti-corrsion gradeC3
- Relative humidity0 ~ 95 % (non-condensing)
- Operating temperature range-30 to 50°C (> 45°C derating)
- Max. working altitude3000m
- Cooling concept of battery chamberLiquid cooling
- Fire safety equipmentAerosol ,flammable gas detector and exhausting system
- Communication interfacesEthernet
- Communication protocolsModbus TCP
- ComplianceIEC62619, IEC63056, IEC62040, IEC62477, UN38.3
PCS cabinet data
- Nominal AC power250kVA@45°C
- Max.THD of curretnt<3% (at nominal power)
- DC component<0.5% (at nominal power)
- Nominal grid voltage400V
- Nominal grid voltage range360V~440V
- Nominal grid frequency50 / 60Hz
- Nominal grid frequency range45Hz~55Hz, 55-65Hz
- Dimensions (W*H*D)1800 * 2450 * 1230mm
- Weight1.6T
- Degree of protectionIP54
- Anti-corrsion gradeC3
- Allowable relative humidity range0 ~ 95 % (non-condensing)
- Operating temperature range-30 to 50°C (> 45°C derating)
- Max. working altitude3000m
- Communication interfacesEthernet
- Communication protocolsModbus TCP
- ComplianceIEC61000,IEC62477,AS4777.2
Transformer cabinet data (Off-grid) *
- Transformer capacity250kVA @ 45°C
- Nominal grid voltage400 V / 400 V
- Nominal grid frequency50 Hz / 60 Hz
- Dimensions ( W * H * D )1200 mm * 2000 mm * 1200 mm
- Weight2.5T
- Degree of protectionIP54
- Anti-corrsion gradeC3
- Allowable relative humidity range0 ~ 95 % (non-condensing)
- Operating temperature range-30 ℃ ~ 50 ℃ ( > 45 ℃ derating )
- Max. working altitude3000 m
* The transformer cabinet is needed additionally when the system is in off-grid mode.