Fgi 125kw 261kwh C&I Commercial and Industrial Liquid Cooling LiFePO4 Battery Storage System with Intelligent Monitoring and Cloud-Based Energy Management Bess

Customization: Available
Application: Commercial Complex Peak Shaving
Installation: Standard Container (20ft/40ft)

Product Description

Overview
Model NO. FGESS-125K/261K-0.4OW
Energy Capacity 100kWh-500kWh
Power Configuration 100kW-250kW
Cycle Life 5000 Cycles (80%DOD)
Cooling Method Full Liquid Cooling (Temp Diff ≤3℃)
Battery Configuration 1p260s
Battery Cell Type LFP 3.2V/314ah
Product Type All-in-One Integrated Cabinet
Scalability up to 10 Units in Parallel
Max Parallel Capacity Per Group 1250kw / 2610kwh
Storage Temperature(℃) -20 ℃ ~ 55 ℃
Noise < 70db
Fire Protection System Pack-Level + Cabin-Level Hot Aerosol
Detector Type Temperature, Smoke, H2
Dimensions (W*D*H mm) 1000*1300*2400 mm
Corrosion Resistance C4-M
Allowable Relative Humidity 0 ~95% Rh (Non-Condensing)
Allowable Altitude 2000m
Maximum System Efficiency ≥ 88% & 0.5p
Communication Protocol Modbus TCP/RTU, IEC104, Mqtt
Transport Package Wooden Package
Specification 2.8t
Origin China
HS Code 8504409999
Production Capacity 5000/Year
Packaging & Delivery
Package Size 110.00cm * 140.00cm * 250.00cm
Package Gross Weight 2800.000kg
Commercial and Industrial Liquid Cooling LiFePO4 Battery Storage System Bess
Commercial and Industrial Liquid Cooling LiFePO4 Battery Storage System Bess Details
Product Description
125kW/261kWh Liquid-Cooled Energy Storage Cabinet
The FGESS-125K/261K-0.4OW is a standardized, all-in-one energy storage system purpose-built for commercial and industrial peak shaving and valley filling.
This unit seamlessly integrates a battery cluster, PCS, BMS, EMS, and a dual-channel cooling system into a single, robust IP55-rated enclosure. Built for scalability, the system supports the parallel connection of up to 10 units, providing a flexible energy capacity ranging from 261 kWh to a massive 2,610 kWh.
Liquid-Cooled Energy Storage Cabinet
Specification
Parameter Specification
System Rating (Single Cabinet) 125 kW / 261 kWh
Max. Parallel Configuration 10 units per group (Total: 1250 kW / 2610 kWh)
Cooling Method Liquid cooling (DC side), Air cooling (AC side)
Cycle Life 6,000 cycles (@25℃, 0.5P, 90% DOD, 70% EOL)
Max. System Efficiency ≥ 88% (@ 0.5P)
Dimensions (W × D × H) 1000 × 1300 × 2400 mm
Weight 2.8 Tons
Protection Class System: IP55 / Battery Pack: IP67 / PCS: IP20
Corrosion Resistance C4-M
Noise Level < 70 dB
Operating Temperature -20℃~ 50℃ (Derating above 45℃)
Storage Temperature -20℃~ 55℃
Operating Humidity 0 ~ 95% RH (non-condensing)
Operating Altitude ≤ 2000 m
Fire Protection System Pack & Cabin level aerosol extinguishing, Ventilation, Sound & Light Alarm, Water firefighting interface
Detectors Temperature, Smoke, H2 (Hydrogen)
Communication Protocol Modbus TCP/RTU, IEC104, MQTT
Operation Modes Peak shaving & Valley filling, Demand Control, Load Following, Anti-backflow
AC Grid-connected
Rated AC Power (kW) 125
Overload Capacity (kW) 138
Wiring Method 3P+N+PE
Allowable Grid Voltage Range (Vac) 400 (-15% ~ +15%)
Allowable Grid Frequency Range (Hz) 50/60 (-2.5 ~ +2.5)
Power Factor -0.99 ~ +0.99
Maximum Conversion Efficiency ≥98.5%
Unbalanced Load Capacity 100%
AC Off-grid
AC Off-grid Voltage (V) 400 (-15% ~ +15%)
AC Off-grid Frequency (Hz) 50 Hz
Off-grid Output Voltage Distortion Rate ≤3%
DC Side
Battery Type Lithium Iron Phosphate
Combination 1P260S
Rated Capacity (Ah) 314
Rated Energy (kWh) 261.248
Rated Voltage (V) 832
Rated Charge and Discharge Rate 0.5P
Operating Voltage Range (V) 728 ~ 936 (Cell: 2.8 ~ 3.6)
Product Advantages
Dual-Tier Thermal Management
Technology: The system employs Liquid Cooling for the DC side (Battery PACKs) and Air Cooling for the AC side (PCS/Electrical compartment).
Benefit: Maintains optimal battery temperature (ΔT ≤ 5℃), ensuring high efficiency and extending cycle life. The liquid cooling unit provides a cooling capacity of 5.0 kW.
Dual-Tier Thermal Management Technology
Multi-Layer Safety Architecture
Design: Features a physical partition separating the Electrical Compartment and Battery Compartment using thermal insulation and flame-retardant materials.
Protection: Equipped with a dual fire protection strategy (PACK-level + Cabin-level) including hot aerosol extinguishing devices, H2 detection, and an explosion-proof ventilation system.
Multi-Layer Safety Architecture
All-in-One Integration
Components: Fully integrates 125kW PCS (with built-in high-voltage box), 261kWh Battery Cluster, BMS, EMS, and auxiliary power supply.
Benefit: Reduces on-site installation complexity. The unit supports plug-and-play operation and can run independently or in parallel with other cabinets.
All-in-One Integration Energy Storage System
High-Durability 3.2V/314Ah LFP Battery
Performance: Features a stable 1P260S cell configuration. Backed by a rigorous rating of 6,000 cycles (@25℃, 0.5P, 90% DOD), this system ensures long-term operational stability and delivers a superior return on investment (ROI).
High-Durability LFP Battery Cell
Application Scenarios
Peak-Valley Arbitrage
Charge during off-peak electricity pricing periods and discharge during peak hours to reduce energy costs.
Demand Charge Management
Optimize transformer loading and reduce peak demand charges for commercial and industrial users.
PV-Storage-Charging Integration
Store excess solar power and supply clean energy to EV charging stations.
Backup Power Supply
Ensure continuous and stable power for factories, commercial buildings, and critical loads during grid outages.
Microgrid Applications
Support independent or hybrid microgrid systems in remote areas, industrial parks, and island applications.
EV Charging Support
Improve charging station stability, reduce grid impact, and enable fast charging expansion.
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FAQ
FAQ Infographic Overview
Q What is the capacity and rated power configuration of this energy storage cabinet?
This single cabinet system has a rating of 125 kW AC power and 261 kWh energy capacity. It supports energy capacities ranging from 100kWh to 500kWh and power configurations of 100kW to 250kW.
Q How many units can be scaled or connected in parallel?
The system supports parallel scaling of up to 10 units in one group, enabling a maximum group configuration of up to 1250 kW / 2610 kWh.
Q What cooling methods are used in this cabinet?
It features a dual-tier thermal management system: full liquid cooling on the DC side (keeping battery pack temperature differences ≤3℃) and air cooling on the AC side (PCS/electrical compartment).
Q What fire safety and detection protocols are installed?
The cabinet is built with physical partitions and multi-layer safety features. This includes PACK-level and cabin-level hot aerosol fire extinguishing, temperature sensors, smoke alarms, H2 (hydrogen) gas detectors, and explosion-proof ventilation.
Q What is the cycle life and type of battery cell used?
The system utilizes Lithium Iron Phosphate (LFP) 3.2V/314Ah cells in a 1P260S combination. It delivers 6,000 cycles at 25℃ under 0.5P rate and 90% Depth of Discharge (DOD) to 70% End of Life (EOL).
Q What communication protocols and operating modes are supported?
It supports Modbus TCP/RTU, IEC104, and MQTT communication protocols. Operating modes include Peak Shaving & Valley Filling, Demand Control, Load Following, and Anti-backflow.

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