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Sungrow

Sungrow ST255CS-2H

Name: Sungrow Sungrow ST255CS-2H
Brand: Sungrow

C&I AIO

Commercial and industrial all-in-one storage cabinet/system.

AC Rated Power

125 kW

Energy (Nominal)

270 kWh

Thermal Management

Liquid

IP Rating

IP55

EMS Included

true

Warranty Years

Pre-assembled and pre-configured for rapid site installation.
Advanced liquid cooling ensures cell temperature variance < 3°C, extending life.
High energy density cabinet design reduces required installation footprint.

C&IInstaller comparisonEU market

Applicable Countries

DE - GermanyAT - AustriaFR - FranceES - SpainIT - ItalyPL - PolandHU - HungaryCZ - CzechiaBE - BelgiumNL - Netherlands

Installer AI Prompt

Generate installer-ready prompt templates for ChatGPT or Gemini.

Core Electrical

Data source

AC Rated Power

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

AC Voltage

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Energy (Nominal)

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Energy (Usable)

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Peak Power

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Battery Chemistry

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

DC Voltage Range

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

System Round-trip Efficiency

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Noise

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

AC Rated Power	125 kW
AC Voltage	400
Energy (Nominal)	270 kWh
Energy (Usable)	257 kWh
C-rate (continuous)	-
Peak Power	137.5 kW
Battery Chemistry	LFP
DC Voltage Range	700-1100 V
System Round-trip Efficiency	90 %
Noise	75 dB(A)

EMS & Communication

Data source

EMS Included

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Protocols

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

EMS Functions

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Remote Maintenance

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Grid Support Functions Detail

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Data Logging Interval

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

EMS Included	true
Protocols	Modbus TCP, Modbus RTU, IEC 61850
EMS Functions	Peak Shaving, Demand Charge Management, Self-consumption, Backup
Remote Maintenance	true
Fault Diagnosis	-
Grid Support Functions Detail	Freq/Volt control, LVRT, HVRT, Active/Reactive power control
Data Logging Interval	1 s
Response Time	-

Environment & Mechanical

Data source

Thermal Management

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Fire Suppression

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Detectors

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Maintenance Access

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Thermal Runaway Mitigation

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Lifting Points

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Service Interval

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

IP Rating

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Corrosion Rating

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Operating Temp Range

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Dimensions (W x H x D)

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Weight

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Thermal Management	Liquid
Fire Suppression	NFPA 68 / NFPA 69 / NFPA 855 compliant, Aerosol or gas based
Detectors	Smoke, heat, and gas detectors
Maintenance Access	Front access
Pressure Relief	-
Thermal Runaway Mitigation	Cell-to-cell thermal insulation and active cooling
Lifting Points	Bottom forklift / Top lifting
Service Interval	Annual inspection
IP Rating	IP55
Corrosion Rating	C4/C5
Operating Temp Range	-30 to 50
Dimensions (W x H x D)	140015002400 mm
Weight	3000 kg

Compliance & Warranty

Data source

Certifications

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Battery Certifications

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

System Certifications

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Warranty Throughput / Cycles

Source URL: https://www.sungrowpower.com/upload/product/ST275H-P2/Sungrow_ST275H-P2_Datasheet.pdf

Source Version: 1.2

Source Page: 1

Certifications	IEC 62619, IEC 62477, UN 38.3, CE
Battery Certifications	IEC 62619
System Certifications	IEC 62477-1
LVRT/HVRT	-
Warranty Throughput / Cycles	Project dependent

Typical System Setup

Peak Shaving

Reducing peak demand charges for industrial facilities.

Grid Type: 3P

Suitable For: Manufacturing plants and commercial buildings with variable loads.

Main Components

PowerStack Cabinet, Local Smart Meter, Industrial Switchgear

Notes

Automatically discharges during peak periods to lower electricity bills.

Disclaimer: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

Self-Consumption Optimization

Maximizing use of on-site PV generation.

Grid Type: 3P

Suitable For: Facilities with large solar arrays seeking energy independence.

Main Components

PowerStack Cabinet, Rooftop PV System, Central Controller

Notes

Excess solar is stored and used during non-generation hours.

Disclaimer: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

Files

Type: DATASHEET_PDF

Sungrow ST255CS-2H Datasheet

Open file

Type: PRODUCT_IMAGE

Sungrow ST255CS-2H Product Image

Open file

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