Sungrow ST225kWh-110kW-2h PowerStack (229 kWh) Battery System Commercial Battery

The Sungrow PowerStack ST225kWh-110kW-2h is a state-of-the-art liquid-cooled energy storage system (ESS) designed for commercial and industrial (C&I) applications. Featuring advanced lithium-ion (LFP) battery chemistry, it delivers a 225 kWh capacity with a 110 kW AC output for 2-hour applications. Its fully integrated design, combining battery, power conversion system (PCS), battery management system (BMS), and fire suppression system (FSS), ensures seamless installation and operation. With AI-powered thermal management and robust safety features, this system is ideal for solar installers and distributors seeking efficient, scalable, and reliable energy storage solutions.

✔ High Efficiency – Achieves up to 98.6% PCS efficiency and >90% round-trip efficiency for optimal energy utilization.
✔ Advanced Liquid Cooling – AI-powered bionic thermal balance reduces heat loss by 33%, maintaining cell temperature difference ≤2.5°C for extended battery life.
✔ Scalable Design – Supports up to 10 cabinets in parallel, expandable to 2.25 MWh, with seamless side-by-side connection.
✔ Robust Safety – Five-layer protection including multi-level fuse, overcurrent, fast-breaking arc extinguishing, over-temperature protection, and a separate fire-resistant compartment.
✔ Smart Monitoring – iSolarCloud app/web platform enables real-time monitoring, alarms, and one-key remote upgrades for reduced O&M costs.
✔ Easy Installation – Pre-assembled and pre-commissioned system minimizes on-site setup time to as little as 8 hours.

• Nominal Capacity: 225 kWh
• Usable Capacity (90% DoD): XX kWh
• Nominal Power: 110 kW (2-hour discharge, 0.5C rate)
• Max PCS Efficiency: 98.6%
• Round-Trip Efficiency: >90%
• Cycle Life (to 70%): ≥6000 cycles (25 ± 2°C, 0.5C/0.5C)

• Dimensions (W × D × H): 1610 × 1150 × 2450 mm
• Weight: 2780 kg
• Configuration: Pre-assembled cabinet with PCS (SC110CX Inverter-Charger), liquid cooling unit, 4 LFP battery units, and power distribution box with FSS

• Temperature Range: Charge: 0 °C to +55 °C, Discharge: -20 °C to +55 °C
• Installation Type: Indoor/outdoor, side-by-side parallel connection
• Protection Rating: IP55 (C5 corrosion resistance for harsh environments)
• Communication: Modbus TCP (EMS300CP required), compatible with Sungrow and third-party EMS

• Standards: UL9540, NFPA855/69/68/14, IEC 62443 (DEKRA), EU GDPR, SGS Certification
• Safety Features: AI-assisted cell monitoring, triple-layer fire protection, early thermal runaway warnings, IP65 module design

• Product Warranty: 10 years standard for batteries and PCS, optional 15-year extension
• Expandability: Up to 10 cabinets (2.25 MWh) per installation

The Sungrow PowerStack ST225kWh-110kW-2h is a premier liquid-cooled ESS for C&I applications, offering unmatched efficiency, safety, and flexibility. Its AI-driven thermal management, high scalability, and comprehensive safety design make it a top choice for solar installers and distributors. Backed by Sungrow’s 26-year expertise and certifications to the highest industry standards, this system supports diverse applications like peak shaving, backup power, and grid support, ensuring cost-effective and reliable energy management for businesses.