GSL ENERGY
Industrial Commercial Energy Storage Battery BESS
125kW 418kWh Liquid-Cooled BESS | Commercial & Industrial Solar Battery Energy Storage System | Industrial Commercial Energy Storage Battery(BESS) | GSL Energy

125kW 418kWh Liquid-Cooled BESS | Commercial & Industrial Solar Battery Energy Storage System

The GSL-BESS-418K is a 125kW / 418kWh liquid-cooled all-in-one Battery Energy Storage System (BESS) designed for commercial, industrial, and large-scale solar energy storage applications. Integrating PCS, high-voltage lithium battery storage, self-developed BMS, intelligent liquid cooling, and fire protection into a standardized cabinet, the system enables fast deployment, scalable expansion, and long-term reliable operation for commercial solar battery storage projects.
Product Description

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The GSL-BESS-418K Liquid-Cooled Battery Energy Storage System is a high-performance commercial and industrial energy storage solution engineered to support peak shaving, load shifting, renewable energy utilization, and grid stability. As part of GSL ENERGY’s one-stop commercial solar and energy storage system offering, it is optimized for EPC deployment and scalable C&I projects.

Key benefits include:

  • Reduced electricity costs through peak shaving and load shifting
  • Mitigation of energy price volatility risks
  • Maximized utilization of solar and renewable energy
  • Lower carbon emissions and environmental impact

System Architecture

  • 8 battery cabinets + 1 main control cabinet
  • Integrated liquid cooling system
  • Independent fire protection system

This architecture delivers high energy density, excellent thermal stability, and long-term operational reliability in demanding industrial environments.

Advanced Liquid Cooling Technology

The system adopts an intelligent liquid cooling energy storage solution that provides:

  • Uniform temperature control across battery cells
  • Reduced thermal stress and extended battery lifespan
  • Higher energy density compared with air-cooled systems
  • Stable performance under high-temperature and high-power conditions

Ideal for commercial solar battery storage systems requiring long-duration and high-efficiency operation.

Input & Output Configuration

DC Input

Supports direct DC-side connection with photovoltaic systems, suitable for:

  • Solar power battery storage systems
  • Solar and energy storage hybrid systems
  • Microgrids and renewable energy facilities

DC Output

Delivers stable DC power to PCS and downstream loads, supporting both grid-connected and off-grid operation.

Battery System & BMS Design

The battery system is built around C64 modules and a BCU-based Battery Management System (BMS), enabling full lifecycle monitoring and protection:

  • Real-time data acquisition from cells, modules, and cabinets
  • SOC, SOH, voltage, current, and temperature monitoring
  • Coordinated communication with PCS, EMS, and system devices
  • Multi-level safety control at cell, module, and system levels

This design ensures stable operation of the liquid cooling energy storage system under high-load and long-duration conditions.

High-Voltage System Compatibility

GSL ENERGY’s independently developed high-voltage BMS (100–1000Vdc / 100A·200A·300A) has completed system-level compatibility verification with mainstream 125kVA commercial and industrial energy storage inverter platforms, including Deye, Solis, FOX ESS, Solinteg, and Inhenergy.

It supports stable operation across the full voltage range and enables safe, reliable multi-cabinet parallel systems.

Fire Protection & Safety System

The GSL-BESS-418K integrates a comprehensive safety architecture, including:

  • Fire Detection
  • Fire Suppression

Meeting the safety requirements of commercial and industrial battery energy storage projects.

Typical Application Scenarios

  • Factories and industrial parks
  • Shopping malls and commercial complexes
  • Residential communities
  • Hospitals and critical infrastructure
  • Renewable energy and utility-scale projects

 

Standards & Certifications

The system complies with major international standards for global deployment:

  • UL 1973
  • UL 9540A
  • IEC / EN 62619
  • IEC / EN 63056
  • IEC / UL 60730
  • IEC / EN 61000
  • FCC Part 15
  • UN 38.3

About GSL ENERGY

Shenzhen GSL Energy Co., Ltd. is a professional manufacturer of commercial and industrial battery energy storage systems, specializing in liquid-cooled BESS, solar battery storage systems, and large-scale energy storage solutions.

With in-house capabilities covering battery systems, BMS, thermal management, and system integration, GSL ENERGY supports ODM, OEM, and OBM cooperation models, delivering scalable and reliable energy storage systems for global solar and energy storage markets.

Contact GSL ENERGY to receive a customized liquid-cooled solar energy storage solution tailored to your project requirements.

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