Sunshine PowerStack Commercial and Industrial Liquid-Cooled Energy Storage System

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Sungrow Power Supply

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Sungrow Power Supply

Sunshine PowerStack Commercial and Industrial Liquid-Cooled Energy Storage System

Detailed Introduction

Safe and reliable

AI-powered battery cell health management, with early warnings of cell anomalies and proactive mitigation of thermal runaway risks.
Three-level overcurrent protection at the package, cluster, and PCS levels, with tiered, precise shutdown to minimize losses.
Three-layer fire safety design, precise early warning of thermal runaway, timely firefighting, and prevention of combustion and explosions.

Efficient and flexible

High-efficiency conversion: PCS maximum efficiency ≥ 98.5%
The system’s maximum RTE is ≥90%, with multiple units seamlessly operating in parallel.
Intelligent energy dispatch generates optimal scheduling strategies, helping to boost revenue.

Investment savings

3S integrated system design, with pre‑installation and pre‑commissioning, reduces on‑site commissioning efforts.
Innovative AI‑powered bionic thermal management reduces system heat dissipation by 33% throughout the day.
Liquid-cooled, balanced thermal management delivers performance and a lifespan of up to 12 years.

Product model	ST255CS-2H
DC-side parameters
Cell type	LFP 3.2V / 314Ah
System Configuration	256S1P
Battery capacity	257kWh
Battery voltage range	691.2V~934.4V
AC-side parameters
Rated power	125kW
Total current waveform distortion rate	≤ 3% (at rated power)
DC component of the current	≤ 0.5% (at rated power)
Rated grid voltage	380 V
Grid voltage range	323V~418V
Rated grid frequency	50 Hz
Power grid frequency range	45Hz~55Hz
System Parameters
Cabinet dimensions (width × height × depth)	1150 × 2450 × 1610mm
Weight	2900kg
Maximum efficiency	90%
Protection rating	IP55
Auxiliary Power Supply	Self-powered / Externally powered
Corrosion resistance grade	C3 / C5
Operating humidity range	0%~100%
Operating temperature range	-30℃~+50℃
Maximum operating altitude	3000m
Temperature control method	Intelligent Liquid Cooling
Fire protection system	Composite detector, aerosol, and immersion water fire suppression (optional)
Communication interface	Ethernet
Communication protocol	Modbus TCP
Certification Standards	GB/T 36276, GB/T 34131, GB/T 34120, GB/T 34133