sales@gsl-energy.com 
0086 13923720280
GSL Commercial & Industrial Energy Storage Systems
OEM/ODM Factory Since 2011. Certified Lithium Battery Storage Manufacturer.
GSL Energy is dedicated to providing comprehensive solar PV energy storage solutions tailored for the European market. Our systems are widely applied in rural agriculture, manufacturing zones, commercial and logistics centers, residential communities, Schools, hospitals, government and municipal facilities, Telecom base stations,EV charging infrastructure, and remote mountain areas. We help clients achieve energy independence, cost optimization, and sustainable power management through reliable and efficient battery storage systems.
Flexible design and manufacturing support for brand partners and project-based customization. Your solution, your brand—backed by GSL’s expertise.
From battery cells to complete ESS systems, GSL provides integrated solutions for home, C&I, microgrid, EV charging, and telecom backup
Certified by UL1973, UL9540A, IEC62133, IEC62619, CE, CEI 0-21, UN38.3, MSDS, and more—ensuring compliance and safety across global markets.
We operate a 15,000㎡ automated factory with 15+ years of production experience, offering competitive prices, stable quality, and fast delivery from the source.
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Industrial and commercial savings system products
GSL Energy offers high-performance lithium battery storage, solar battery systems, and complete energy storage system (ESS/BESS) solutions tailored for commercial, industrial, and utility-scale applications. Whether you need a scalable battery energy storage system for solar projects or a robust solar electric battery storage setup for off-grid operations, our factory-direct products meet global certifications (UL1973, UL9540A, CE, IEC62619) and support OEM/ODM customization. Empower your business with reliable, long-lasting energy storage solutions—engineered for performance, safety, and flexibility.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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Global Project Cases in Energy Storage Systems
GSL Energy provides advanced commercial and industrial energy storage solutions to optimize power management, reduce electricity costs, and enhance energy independence across Europe. Our high-performance BESS systems, ranging from 30 kWh to over 5 MWh, deliver reliable and scalable energy storage solutions for various applications, including factories, microgrids, solar farms, and commercial buildings. Explore our global installation cases to see how our cutting-edge lithium battery storage systems drive the transition to renewable energy in Europe. Designed for peak shaving, demand response, and backup power, our solutions help businesses in Europe efficiently manage their energy needs, reduce carbon footprints, and meet sustainability goals.
250kW/600kWh ESS in Ukraine Industrial Park
Empowering industrial operations with reliable energy storage and peak load management by GSL Energy.
On February 8, 2025, a Ukrainian manufacturing facility successfully installed a 250kW/600kWh battery energy storage system (BESS), designed by GSL Energy, a leading lithium battery storage manufacturer. This industrial energy storage system was implemented to optimize electricity usage, manage peak load demands, and reduce operational energy costs.
Engineered for commercial and industrial (C&I) energy storage applications, the solar-compatible ESS supports grid independence and enhances power reliability. Featuring CE/IEC-certified energy storage batteries, this project showcases GSL’s ability to deliver customized energy storage solutions across Eastern Europe.
480kWh C&I Battery Energy Storage System in Slovenia
GSL Energy delivered 6 units of 80kWh mini BESS, custom-OEM designed to provide stable and efficient power for agricultural operations.
GSL Energy delivered a 480kWh OEM commercial and industrial battery energy storage system (BESS) for a farm in Slovenia. The system includes six 80kWh lithium battery storage units, designed for solar and off-grid applications. Built with LiFePO₄ batteries and a smart battery management system (BMS), it ensures stable power, long lifespan, and energy cost savings. This C&I energy storage solution demonstrates GSL’s strength in customized ESS for agriculture and industrial needs.
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Get in touch with us
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Email: sales@gsl-energy.com
Tel: +86 755 84515360
Address: A602, Tianan Cyber Park, Huangge North Road, Longgang District, Shenzhen, ChinaGSL ENERGY - A leading green energy supplier in China since 2011
0086 13923720280
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