Highlights
- Integrated, pre-commissioned system
- Advanced liquid cooling
- AI-powered safety monitoring
- High 98.5% efficiency
- Smart cloud connectivity
Sungrow ST455kWh-110kW-4h – PowerStack Liquid-Cooled C&I Energy Storage System
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Highlights
- Integrated, pre-commissioned system
- Advanced liquid cooling
- AI-powered safety monitoring
- High 98.5% efficiency
- Smart cloud connectivity
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Description
The Sungrow ST455kWh-110kW-4h PowerStack is a high-performance, liquid-cooled energy storage system designed for commercial and industrial (C&I) applications. This all-in-one solution integrates advanced lithium-ion battery technology, intelligent battery management, and efficient thermal control to deliver superior performance, safety, and reliability in demanding energy environments.
With a usable capacity of 455 kWh and 110 kW rated power output over a 4-hour duration, the PowerStack is engineered for peak shaving, load shifting, backup power, and renewable energy integration. Its liquid-cooled design enhances thermal stability, extends battery life, and ensures consistent performance even under high load or extreme environmental conditions.
The system features a compact footprint, modular architecture, and plug-and-play installation, reducing on-site complexity and accelerating deployment. Its flexible scalability allows multiple units to be installed in parallel, supporting a wide range of project sizes and energy requirements.
Backed by Sungrow’s advanced energy management system and long-term service support, the ST455kWh-110kW-4h PowerStack provides a future-ready, efficient, and safe solution for energy storage in commercial and industrial operations.
Specification
Battery Specification
| Battery Capacity |
458 kWh |
|---|---|
| Battery Charging Efficiency |
≥95% |
| Battery Cycle Life |
> 10,000 |
| Battery Depth of Discharge |
90% DoD |
| Battery Maintenance Requirement |
Low maintenance ,remote monitoring supported |
| Battery Safety Features |
fire suppression ,Liquid cooling ,over-current protection ,Overvoltage protection ,thermal management |
| Battery Self-Discharge Rate |
< 3% per month |
| Battery Temperature Tolerance |
-30 ℃ ~ 50 ℃ |
| Battery Type |
Lithium Iron Phosphate |
| Battery Voltage |
400 V |
| Battery Backup Time |
Varies based on load and configuration |
| Battery Management System |
Advanced multi-layered BMS with real-time monitoring and protections |
| Battery Environmental Impact |
Low environmental impact ,recyclable materials ,RoHS & REACH compliant |
Mechanical Details
| Weight | 5300 kg |
|---|---|
| Dimensions | 2152 × 2470 × 1610 cm |



