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 sales@gsl-energy.com     0086 13923720280

Battery Energy Storage System (BESS)

An All-in-One Battery Energy Storage System

GSL Energy’s Battery Energy Storage System (BESS) is an advanced energy storage solution that integrates lithium battery storage, inverters, cooling systems, output transformers, safety features, and smart controls. Designed to minimize energy costs and improve grid stability, our BESS solution ensures standard conformity, a scalable configuration, and a fully self-contained energy storage system.

This is TextGSL Energy specializes in residential, commercial, and industrial energy storage systems. We offer OEM and ODM customized energy storage solutions tailored to your needs. Contact us today!
OEM & ODM Custom
GSL Energy provides OEM & ODM customization for BESS batteries and energy storage systems, delivering tailored solutions for your specific projects.
Safe and Certified
GSL energy storage systems are certified to UL1973, UL9540A, UL9540, and IEC62619, ensuring safety, reliability, and seamless integration for commercial and industrial applications.
Resilient and Scalable
Resilient and scalable, the GSL system ensures energy security with instant backup during outages and supports expansion up to 5MW, meeting diverse commercial and industrial needs.
Over 15 Years Warranty
All GSL lithium battery storage systems include a 15+ year warranty, ensuring long-term value and sustainable energy solutions.
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More Industrial & Commercial Energy Storage products

GSL Energy provides high-performance energy storage solutions, including liquid-cooling BESS, all-in-one C&I BESS, and high-voltage battery cabinets. Our modular systems scale from 50kWh to 1MWh+, optimizing energy use for solar storage, microgrids, peak shaving, and demand response in industrial and commercial applications.

High-Voltage Commercial Energy Storage System – Air-Cooling ESS
GSL ENERGY delivers advanced commercial energy storage solutions featuring 51.2V 314Ah (14.34kWh) LiFePO₄ battery modules with over 8,000 cycles of lifespan. Each system provides up to 112kWh capacity and can be expanded to 3,584kWh (3.5MWh) with 32 units in parallel. Equipped with comprehensive protection functions — including short circuit, over current, over/under voltage, and temperature safeguards — our commercial energy storage systems ensure safety, reliability, and powerful performance. As one of the leading commercial energy storage companies, GSL ENERGY helps businesses achieve energy independence, cost savings, and uninterrupted power supply.
Commercial High Voltage Battery Storage | 20kWh – 60kWh Lithium Ion Energy System
The GSL HV51100 Series is a state-of-the-art high voltage battery storage solution engineered for commercial and industrial energy applications. Utilizing lithium ion high voltage battery technology, the system can be deployed as a 20kWh battery, 40kWh system, or scaled up to a 60kWh battery configuration, providing versatile energy storage for offices, factories, telecom sites, and microgrids.

Designed with intelligent air-cooling and robust thermal management, the HV51100 Series ensures reliable operation and a long 6,500+ cycle lifespan. For enhanced flexibility, the system supports up to 32 battery units in parallel, while compatible inverters allow 10 units in parallel, enabling large-scale power storage solutions.

With IP54-rated enclosures and international certifications including UL1973, UL9540, UL9540A, and IEC62619, the HV51100 Series delivers safe, scalable, and future-ready high voltage battery storage, ideal for demanding commercial and industrial environments.
High Voltage All-in-one C&I BESS 50kVA 50/80/100/120/130kWh Battery
GSL Energy provides a complete range of high voltage all-in-one battery energy storage systems designed for commercial, industrial, and large residential applications. Each system is factory pre-configured, combining inverter(s), battery modules, BMS, microgrid controller, HVAC, fire protection, and an outdoor-rated enclosure into a single plug-and-play BESS C&I energy storage battery solution.

With modular scalability, multi-level safety protection, and flexible installation options, GSL’s C&I BESS ensures stable, reliable, and cost-efficient power supply for businesses, utilities, and energy communities worldwide.
CESS-125K261 AC Coupled All-in-one Liquid Cooling Energy Storage Cabinet System
Discover the CESS-125K261—an all-in-one 261kWh energy storage cabinet designed by leading energy storage cabinet manufacturer GSL ENERGY. Engineered with advanced 314Ah battery cells and a state-of-the-art liquid cooling system, this AC-coupled system is ideal for industrial and commercial power backup, peak shaving, and microgrid applications.

Whether you’re operating a factory, shopping center, hospital, or residential complex, this scalable energy storage cabinet solution helps optimize electricity usage, reduce costs, and support sustainable development goals. Its modular design, high energy density, and long service life make it an outstanding choice for future-proof energy storage infrastructure.

Looking for a reliable energy storage cabinet supplier or interested in wholesale energy storage cabinet options? GSL ENERGY provides full technical support, international certifications, and fast delivery to empower your clean energy projects.
GSL-CESS-125kVA/232kWh Liquid Cooling C&I Energy Storage System
The GSL-CESS-125K232 is a high-capacity, liquid-cooled commercial and industrial (C&I) energy storage system that combines advanced lithium iron phosphate (LiFePO₄) battery technology with an intelligent BMS and integrated inverter. Designed to optimize power usage, reduce operational costs, and support both grid-tied and off-grid scenarios, this system is ideal for peak shaving, emergency backup, and renewable energy integration. Its all-in-one cabinet design ensures rapid deployment, long service life, and reliable performance in even the most demanding environments.
GSL-BESS-418K: 80kVA 418kWh All-in-One Liquid-Cooled Battery Energy Storage System | UL1973, UL9540A, IEC62619 Certified
A modular and scalable BESS solution designed for industrial and commercial applications, supporting up to 10 units parallel connection, integrated with advanced fire protection, intelligent BMS/EMS, and certified to UL, IEC, and UN standards.
GSL Energy All-in-One 125kW 261kWh Liquid-Cooled Industrial Energy Storage System
Introducing GSL Energy's latest innovation — the 125kW 261kWh Liquid-Cooled Energy Storage System, designed to meet the high-performance, reliability, and safety demands of industrial and commercial energy storage applications
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Commercial & Industrial Energy Storage Case Studies

GSL Energy provides cutting-edge commercial and industrial energy storage solutions to optimize power management, reduce electricity costs, and enhance energy independence. Our high-performance BESS systems range from 30kWh to 5MWh+, ensuring reliable energy storage for factories, microgrids, solar farms, and commercial buildings.Explore our global installation cases, showcasing real-world applications of our advanced lithium battery storage systems, designed for peak shaving, demand response, and backup power.
GSL ENERGY 500kWh+ Commercial & Industrial Energy Storage Case Study | Bringing Light to Remote Villages in Malaysia
GSL ENERGY has deployed three 25kW/172kWh commercial and industrial energy storage systems in Johor, Malaysia, with a total capacity of 516kWh. This initiative provides stable, clean energy to 20 households previously without electricity.
Energy Storage System Demand and the Latest 200kWh Installation Case in Poland
In recent years, with the acceleration of the global energy transition, Poland has emerged as a significant player in Europe's energy storage market. Whether it be residential energy storage (RES) or commercial and industrial energy storage (CIES), market demand in Poland is skyrocketing. This article will analyze Poland's energy storage system demand, market trends, and the latest case studies from three dimensions.
GSL ENERGY's Battery Energy Storage System (BESS) and Solar Solutions in Bulgaria

In 2024, GSL ENERGY completed a 7.45 MW battery energy storage system (BESS) in Bulgaria, which is used in conjunction with a large-scale solar photovoltaic power plant to provide stable, clean electricity to remote areas. The implementation of this project not only improved the utilization rate of renewable energy in the local area but also alleviated the pressure on Bulgaria's power grid.
150MWh Grid Power Regulation System | Morowali, Indonesia
In 2023, GSL ENERGY commissioned a 150MWh lithium battery energy storage system (BESS) in Morowali, Sulawesi, Indonesia—a key industrial region known for its energy-intensive mining and smelting operations. Designed to stabilize the grid and ensure reliable power delivery, the system plays a critical role in frequency regulation, peak shaving, and energy buffering for large industrial loads. This project marks a significant step forward in supporting Indonesia's transition to a more resilient and sustainable energy future.
GSL ENERGY 300kWh Air-Cooled All-in-one Energy Storage System Installed in Malaysia

Installation Date: February 8, 2025

Project Location: Malaysia

System Configuration: Each system includes 1 Deye brand inverter + 100kWh high-voltage air-cooled integrated energy storage system

Installation Scale: A total of 3 independent commercial and industrial energy storage systems deployed
Poland Industrial Park Energy Storage Deployment Case: 80 kWh GSL BESS all-in-one Energy Storage System
GSL ENERGY has recently successfully deployed and commissioned an 80kWh integrated BESS (Business Energy Storage System) with a 50kVA Deye inverter in an industrial park in Poland, which provides smart, efficient, and green energy support for the local enterprise park. The project uses GSL's advanced lithium iron phosphate (LiFePO₄) battery technology, demonstrating our continued expansion and localized service capabilities in the European market.
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Just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs!
  Tel: +86 755 84515360
 Address: A602, Tianan Cyber Park, Huangge North Road, Longgang District, Shenzhen, China
GSL ENERGY - A leading green energy supplier in China since 2011

0086 13923720280

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