Fgi Commercial and Industrial Liquid Cooling LiFePO4 Solar Energy Storage Load Shifting Backup Power Grid Stability 125kw 261kwh Bess

Product Description

Commercial and Industrial Liquid Cooling Solar Energy Storage
Load Shifting Backup Power Grid Stability BESS
Product Description
Liquid-Cooled Energy Storage Cabinet

125kW/261kWh Liquid-Cooled Energy Storage Cabinet

This standardized, all-in-one energy storage system is 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.

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

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.

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

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.

High-Durability 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 3.2V/314Ah LFP Battery
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
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.
Energy Storage Application Grid
Industrial BESS Integration
Production Process BESS Structure Internal Component Liquid Cooling Plate Battery Cell Configuration Power Control System Safety Testing BESS System Setup Quality Inspection
Frequently Asked Questions Overview
Frequently Asked Questions
Q1: What is the rated capacity of a single energy storage cabinet?
A: A single cabinet has a rated system power of 125 kW and a storage capacity of 261 kWh.
Q2: How many units can be connected in parallel for larger energy demands?
A: Up to 10 units can be connected in parallel per group, providing a scalable capacity from 261 kWh up to a maximum of 2,610 kWh (1,250 kW power).
Q3: How does the dual-tier thermal management system operate?
A: The system utilizes liquid cooling for the DC side (battery PACKs) and air cooling for the AC side (PCS/electrical compartment), keeping the battery cell temperature difference within ≤ 5℃ to ensure safety and system longevity.
Q4: What safety and fire protection features are integrated?
A: It features physical isolation between the electrical and battery compartments, along with pack-level and cabin-level aerosol fire suppression, hydrogen detection, and an explosion-proof ventilation system.
Q5: What is the expected cycle life of the battery system?
A: The high-durability Lithium Iron Phosphate (LFP) battery cells support up to 6,000 cycles under conditions of 25℃, 0.5P rate, 90% Depth of Discharge (DOD), and 70% End of Life (EOL).
Q6: What protocols does the system support for remote management?
A: It supports multiple standard industrial communication protocols, including Modbus TCP/RTU, IEC104, and MQTT, for seamless integration with external EMS systems.

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