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EGS257 Liquid Cooling Battery Energy Storage System

As a highly integrated energy storage solution, the RES-CB-257-2H Outdoor Integrated Cabinet is designed to meet power storage and energy management needs in complex outdoor environments. It is widely used in various applications, including off-grid power systems, EV charging stations, industrial and commercial facilities, and residential communities.

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User manual
Technical Specifciations

Highly integrated

Integrated design combines key components into a single unit for easier transportation, installation, and maintenance.

Safe and reliable

Intelligent monitoring, fire detection, and gas suppression ensure safe and reliable system operation.

Liquid cooling

Advanced liquid cooling maintains temperature consistency and improves overall system efficiency.

Advanced Control

Cloud-based monitoring, remote upgrades, and multi-device connectivity enable intelligent management.

Product Specifications

Product Name EGS257
Battery Parameters / DC Side
Cell Type
Lithium iron phosphate battery cell (LFP)
Cell Specification
3.2V / 314Ah
Maximum Charge/Discharge Power
137.5kW
Rated Charge and Discharge Power
125kW
Charge and Discharge Rate
0.5P
System Grouping Method
1P256S
Rated Energy
257.2288kWh
Rated Voltage
819.2V
Voltage Range
716.8 ~ 921.6V
Cooling Method
Liquid Cooling
AC Side Parameters
Rated AC Power
125kW
Rated Voltage
400V
AC Side Wiring Method
3P4W (Three-phase Four-wire)
Rated Frequency
50/60Hz
Total Current Waveform Distortion Rate
<3%
System Parameters
Operating Temperature Range
-20 to 50°C
Operating Humidity Range
0~95%RH, No Condensation
Maximum Working Altitude
2000m
Degree of Protection
IP55
Degree of Anti-corrosion
C4
Fire Protection System
Aerosol Fire Extinguishing Device
Communication Interface
RS485 / TCP
Product Dimensions (W * D * H)
1050 * 1600 * 2050 mm
Weight
2495 ± 5 kg
Applicable Scenarios
Power generation side / Grid side / User side
Product Certification
IEC CE UN38.3

Get the Complete Technical Specifications

Download our comprehensive product datasheet to get a full breakdown of the engineering specs, performance metrics, and system configurations.
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Our Services
Microgrid for Remote & Off-Grid Locations
Commercial & Industrial Energy Solutions
Intelligent EV Energy Storage Solutions
Residential Energy Storage Solutions
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Monday - Friday 08.30 - 17.30
Changzhou, Jiangsu, CN
support@venbess.com
About Us

VENBESS delivers advanced battery energy storage solutions designed for commercial, industrial, and microgrid applications. With intelligent energy management, reliable performance, and scalable technology, we help power a smarter and more sustainable future.