Fgi C&I Lithium Battery Storage System 261kwh with 125kw Power Output for Stable and Reliable Energy Supply Bess

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

Product Description

  • Overview
  • Product Description
  • Specification
  • Product Advantages
  • Application Scenarios
  • FAQ
Overview
Basic Info
Model NO.FGESS-125K/261K-0.4OW
Energy Capacity100kWh-500kWh
Power Configuration100kW-250kW
Cycle Life5000 Cycles (80%DOD)
Cooling MethodFull Liquid Cooling (Temp Difference ≤3℃)
Battery Configuration1p260s
Battery Cell TypeLFP 3.2V/314ah
Product TypeAll-in-One Integrated Cabinet
Scalabilityup to 10 Units in Parallel
Performance & Physical
Max Parallel Capacity1250kw / 2610kwh
Storage Temp-20 ℃ ~ 55 ℃
Noise< 70db
Fire ProtectionPack & Cabin level Hot Aerosol
Detector TypeTemperature, Smoke, H2
Dimensions (W*D*H)1000*1300*2400 mm
Corrosion ResistanceC4-M
Max System Efficiency≥ 88% & 0.5p
Communication ProtocolModbus TCP/RTU, IEC104, Mqtt
Packaging & Delivery
Package Size110.00cm * 140.00cm * 250.00cm
Package Gross Weight2800.000kg
Transport PackageWooden Package
Specification Weight2.8t
HS Code8504409999
Production Capacity5000/Year
Lithium Battery Storage System 261kwh with 125kw Power Output for Stable and Reliable Energy Supply Bess
Lithium Battery Storage System Features
Product Description
Liquid-Cooled Energy Storage Cabinet

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.

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

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.

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

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).

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.
Application Scenarios Diagram
Certification and Testing
Product Gallery
Industrial BESS Unit Detail 1 Industrial BESS Unit Detail 2 Industrial BESS Unit Detail 3 Industrial BESS Unit Detail 4 Industrial BESS Unit Detail 5 Industrial BESS Unit Detail 6 Industrial BESS Unit Detail 7 Industrial BESS Unit Detail 8 Industrial BESS Unit Detail 9
FAQ Details and Architecture
FAQ
What is the rated capacity and configuration of this energy storage cabinet?
The system features a rated power of 125 kW and a capacity of 261 kWh, utilizing high-quality 3.2V/314Ah Lithium Iron Phosphate (LFP) cells in a 1P260S combination. Up to 10 units can be scaled in parallel to reach up to 1250 kW / 2610 kWh.
How does the dual-tier thermal management system operate?
It features liquid cooling for the DC side (the battery packs) to maintain an optimal temperature difference of ≤3℃. The AC side (PCS/electrical compartment) utilizes air cooling, ensuring long-term operational efficiency and safety.
What safety and fire protection mechanisms are built into the cabinet?
The design features full physical partitioning between the electrical and battery compartments. It integrates pack-level and cabin-level hot aerosol fire extinguishing, temperature/smoke/H2 detectors, explosion-proof ventilation, and water firefighting interfaces.
What are the primary operational modes of the energy storage system?
The system supports multiple operational modes, including Peak Shaving & Valley Filling, Demand Control, Load Following, and Anti-backflow management to maximize energy savings and grid stability.
Which communication protocols are supported for integration?
The integrated EMS/BMS system supports standard industrial protocols including Modbus TCP/RTU, IEC104, and MQTT for seamless connection and remote monitoring.
Is the cabinet suitable for harsh outdoor environments?
Yes. The system cabinet is rated IP55 for overall protection (IP67 for the battery pack) and features C4-M level corrosion resistance, making it suitable for ambient operating temperatures ranging from -20℃ to 50℃.

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