

ST455kWh-110kW-4H Liquid Cooled Energy Storage System
ST455kWh-110kW-4H AI-driven liquid-cooled C&I storage with 98.5% efficiency, modular scalability, and multi-level thermal/electrical protection for safe, cost-optimized energy management.
ST455kWh-110kW-4H POWERSTACK LIQUID-COOLED C&I ENERGY STORAGE SYSTEM
COST OPTIMIZATION
Comprehensive pre-integrated design with pre-configured components and factory testing, minimizing on-site installation efforts and commissioning time.
AI-enhanced bionic thermal algorithms achieving 33% reduction in daily thermal energy loss.
Advanced liquid cooling architecture ensuring uniform thermal distribution (cell temperature differential ≤2.5℃).
SAFETY ASSURANCE
AI-powered cell state analysis with predictive failure alerts for proactive thermal management.
Triple-layer overcurrent protection across battery modules, rack arrays, and power conversion systems.
Multi-stage fire prevention system with precision thermal runaway detection and containment protocols.
OPERATIONAL EXCELLENCE
High-performance PCS technology delivering maximum conversion efficiency of 98.5%.
Modular expansion capability through seamless parallel cluster configuration.
Dual-platform smart monitoring via iSolarCloud mobile/web interfaces with real-time diagnostics.
INTELLIGENT MANAGEMENT
Wireless remote operation with one-touch system updates and troubleshooting.
Predictive maintenance algorithms reducing operational labor costs by 40%.
Distributed wireless control architecture enabling both local and remote management.
Type DesignationST455kWh-110kW-4h
DC side
- Cell typeLFP 3.2 V / 280 Ah
- System battery configuration256S2P
- Nominal capacity458 kWh
- Nominal voltage range691.2 V ~ 934.4 V
AC side (On-Grid)
- Nominal power110 kW
- Nominal voltage400 V
- Voltage range340 V ~ 440 V
- Nominal frequency50 Hz / 60 Hz
- Frequency range45 Hz ~ 55 Hz / 55 Hz ~ 65 Hz
- Max.THD of current< 3 % ( Nominal power )
- DC component< 0.5 % ( Nominal power )
- Power factor range1.0 leading ~ 1.0 lagging
AC side (Off-Grid) *
- Nominal voltage400 V
- Nominal frequency50 Hz / 60 Hz
- Max.THD of voltage< 3 % ( Linear load )
- Unbalance load capacity100 %
System parameter
- Dimensions ( W * H * D )2152 mm * 2470 mm * 1610 mm
- Weight5.3T
- Degree of protectionIP55
- Auxiliary power supplyInternal power supply ( Default ) / External power supply ( Optional )
- Anti-corrosion degreeC5 ( Default ) / C3 ( Optional )
- Operation humidity range0 % – 100 %
- Operation temperature range-30 ℃ ~ 50 ℃ ( > 45 ℃ derating )
- Max. operating altitude3000 m
- Temperature control methodIntelligent liquid cooling
- Noise≤ 70 dB ( A ) @ 1 m
- Fire suppression systemDefault : Flammable gas detector, Smoke detector, Heat detector, Alarm sounder, Aerosol, Sprinkler, Optional : Ventilation system
- Communication interfaceEthernet
- Communication protocolModbus TCP
- StandardIEC 62619, IEC 63056, IEC 62040, IEC 62477, IEC 61000, UN 38.3, AS/NZS 4777.2, AS/NZS 3000
- Max.Parallel quantity ( Off-Grid )10
Transformer cabinet parameter *
- Transformer capacity250 kVA
- Primary side voltage / Secondary side voltage400 V / 400 V ( Dyn11 )
- Nominal frequency50 Hz / 60 Hz
- Dimensions ( W * H * D )1200 mm * 2000 mm * 1200 mm
- Weight1.5T
- Degree of protectionIP55
- Anti-corrosion degreeC5 ( Default ) / C3 ( Optional )
- Operation humidity range0 % ~ 100 %
- Operation temperature range-30 ℃ ~ 50 ℃ ( > 45 ℃ derating )
- Max. operating altitude3000 m
- Temperature control methodAir cooling
* The transformer cabinet is needed additionally when the system is in off-grid mode.