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Product Overview
All-in-one Liquid-cooled ESS Cabinet PSN-E261
Integrated commercial and industrial energy storage solution for peak shaving,backup power and solar integration
PSN-E261 is a standardized commercial energy storage cabinet designed to provide fast-response backup power and flexible energy management capability for industrial and commercial users.
The system integrates lithium battery modules, power conversion technology and intelligent control architecture within a pre-engineered enclosure, enabling simplified installation and reliable long-term operation.


Its modular design enables flexible parallel configurations and higher energy density, significantly improving the cost-effectiveness, safety, and installation convenience of ESS projects.
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Key System Specifications

 Rated Power: 125 kW                                            Scalability: Multi-cabinet parallel connection supported

 Battery Capacity: 261 kWh                                        Deployment: Outdoor or indoor installation compatible

System Configuration: Integrated cabinet design                                                                                                    Cooling Method:liquid Cooling system

 Grid Switching Time: < 20 ms                                           Protiction Design:Industrial Enclosure Architecture

More technical details please refer The data sheet


Typical Application Scenarios
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Seamless Backup Switching Capability

The system enables millisecond-level transition from grid supply to battery power during outages,helping prevent equipment shutdown, production loss and Service interruption.

This capability is particularly valuable in regions with unstable grid infrastructure or frequent power fluctuations.

Modular System Architecture
Standardized cabinet architecture allows flexible system expansion through multi-unit parallel deployment.

This modular design supports project scalability from single-cabinet installations to multi-MWh distributed energy storage systems.

Integrated Power Conversion & Control

PSN-E261 integrates industrial-grade power conversiontechnology and intelligent system control logic to support stable load response and optimized energy utilization across diverse commercial scenarios.

Remote monitoring capability can be supported based on project requirements.
Relability&Operational Stability

PSN-E261 integrates industrial-grade power conversion Designed for demanding commercial environments,the system incorporates multi-layer safety protection architecture, optimized thermal management pathways and robust electrical design to ensure stable long-term operational performance.


Deploy&Integration Support

PSN provides technical documentation, remote engineering,support and deployment guidance to assist local EPC partners and installation contractors in achieving efficient system commissioning.


Typical Deployment Scale

Single cabinet: backup support for small facilities

2-4 cabinets: medium commercial load continuity

              Multi-cabinet systems: scalable industrial energy infrastructure

Our Cases

what we finished

Whatever your need is, we are happy to help. If you have a new idea that you want to bring to reality or an existing design that needs improvement, we look forward to an opportunity to discuss it with you.
PV Energy Storage Arbitrage
Date: 2025.09
Location:Estonia
Model: PSN ECO-E261*2Unit + 1*STS500KW Cabinet
Project Volume: 250kW/522kWh
Off-grid Application
Capacity: 1MW/2.6MWh
Location:Nertherland
Model:
PSN ECO-E261L * 10 units
1MW STS Cabinet * 1 unit
PV Interver: Autarco
Scenario:
Self-consumption
20ms on/off switching back-up
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Deploy Reliable Commercial Energy Storage

with PSN-ECO261
Discuss your load profile, installation environment and backup power objectives with our energy engineering team.
Inquiry Me Now, Start Your Own Energy Brand.
Contact: Sherien Ouyang
Tel: +86 0755-33261397 /+86-13889915826
Address: Room 902,Blocking B, Zhanchen Building , No.1328 KeTai Road, Guangming District, Shenzhen, China.
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