sales@gsl-energy.com 
0086 13923720280
125kW 418kWh Liquid-Cooled BESS | Commercial Solar Battery Storage System Manufacturer
The GSL-BESS-418K is a 125kW / 418kWh liquid cooling all-in-one battery energy storage system specifically engineered for commercial, industrial, and large-scale energy storage applications.
As a fully integrated solar battery storage system, it combines power conversion, high-voltage lithium battery storage, intelligent thermal management, and multi-level fire protection into a single standardized cabinet. The system is designed to help businesses and energy facilities:
Reduce electricity costs through peak shaving and load shifting
Mitigate risks from energy price volatility
Maximize the utilization of renewable energy
Lower carbon emissions and environmental impact
GSL ENERGY delivers this solution as part of a one-stop commercial solar and energy storage system offering, supporting EPC deployment and scalable expansion.
System Architecture
8 battery cabinets;1 main control cabinet;Integrated liquid cooling system;Independent fire protection system
This architecture ensures high energy density, thermal stability, and long-term operational reliability in demanding industrial environments.
Advanced Liquid Cooling Technology
The system employs an intelligent liquid cooling energy storage solution, delivering:
Uniform temperature control across battery cells
Reduced thermal stress and extended battery lifespan
Higher energy density compared to air-cooled systems
Stable performance in high-temperature or high-power applications
This makes the GSL-BESS-418K ideal for commercial solar battery storage systems requiring long-duration, high-efficiency operation.
Input & Output Configuration
DC Input
Supports direct connection with photovoltaic systems, enabling efficient integration into:
Solar power battery storage systems
Solar and energy storage hybrid systems
Microgrids and renewable energy facilities
DC Output
Delivers stable DC power to the PCS and downstream loads, ensuring reliable operation for grid-connected and off-grid applications.
Battery System & BMS Design
The battery cell is the fundamental unit of the system. The Battery Management System (BMS) consists of C64 modules and a BCU, providing full lifecycle monitoring and protection.
Key functions include:
Real-time data acquisition from battery cells, modules, and cabinets
SOC, SOH, voltage, current, and temperature monitoring
Coordinated communication with PCS, EMS, and other system devices
Enhanced safety control at cell, module, and system levels
This architecture ensures stable operation of the liquid cooling energy storage system under high-load and long-duration operating conditions.
125kVA 418kWh Integrated High-Voltage Energy Storage System
GSL ENERGY's independently developed high-voltage BMS (100–1000Vdc / 100A·200A·300A) has completed system-level compatibility and joint debugging 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 entire high-voltage range and provides safe, reliable control for multi-cabinet parallel systems.
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 solar power worldwide.
Contact GSL ENERGY to receive a customized liquid-cooled solar energy storage solution tailored to your project requirements.
Email: sales@gsl-energy.com
Tel: +86 755 84515360
Address: A602, Tianan Cyber Park, Huangge North Road, Longgang District, Shenzhen, China0086 13923720280