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!
GSL Energy provides OEM & ODM customization for BESS batteries and energy storage systems, delivering tailored solutions for your specific projects.
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, the GSL system ensures energy security with instant backup during outages and supports expansion up to 5MW, meeting diverse commercial and industrial needs.
All GSL lithium battery storage systems include a 15+ year warranty, ensuring long-term value and sustainable energy solutions.
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.
The BESS-261K is a next-generation 125kW/261kWh Liquid-Cooled Battery Energy Storage System (BESS) designed to help commercial and industrial users maximize energy efficiency, improve energy resilience, and reduce electricity costs.
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.
UL-certified 125kW/261kWh liquid-cooled all-in-one BESS delivering safe, efficient, and scalable energy storage solutions for global C&I applications.
GSL-BESS-3.72MWH/5MWH Liquid Cooling BESS Container Battery Storage 1MWH-5MWH Container Energy Storage System integrates cutting-edge technologies, including intelligent liquid cooling and temperature control, ensuring efficient and flexible performance. The system is built with long-life cycle lithium iron phosphate batteries, known for their high safety and durability, making it a reliable choice for renewable energy generation, voltage frequency regulation, and energy storage in industrial parks or commercial buildings.
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 IP55-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 IP55-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.
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
The Mini C&I Energy Storage System is a fully integrated, pre-configured solution for large residential and Light Commercial Projects (3Ph 220/380, 230/400Vac @60Hz). The Mini C&I ESShas numerous applications such as Microgrid, backup, off-grid peak shaving, time of use, selfsupply, demand response and Virtual Power Plant (VPP). With AC and DC Coupling options,indoor and outdoor installation and Scalable capacity from 80-130kWh per unit, the Mini C&IESS is perfect for your project
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.
A brewery in Australia has completed the installation and commissioning of a commercial battery energy storage system consisting of a 209kWh GSL ENERGY liquid-cooled battery cabinet and a 50kW Solis inverter configured for the Australian market.
GSL Energy successfully deployed an 186kWh high-voltage LiFePO₄ energy storage system integrated with a 50 kVA Deye hybrid inverter in Thailand, providing a reliable commercial and industrial (C&I) energy storage solution. The system is designed to support solar energy utilization, peak shaving, backup power, and intelligent energy management, helping local businesses improve electricity efficiency and enhance energy independence. Built with advanced high-voltage battery technology and a smart power conversion platform, this project demonstrates GSL Energy's capability in delivering safe, scalable, and customized BESS solutions for Southeast Asia’s growing renewable energy market.
GSL Energy installed a 300kWh off-grid solar battery storage system in Malaysia, combining solar PV and LiFePO4 batteries to provide reliable electricity for remote villages and microgrid applications.
Across Europe, commercial battery energy storage is rapidly evolving beyond its traditional role of emergency backup power. Today, Battery Energy Storage Systems (BESS) have become a critical component of modern energy infrastructure, enabling businesses to participate in electricity markets, improve grid flexibility, and increase the value of renewable energy assets.
In 2026, GSL ENERGY recently delivered a 2.088MWh grid-connected battery storage project in Germany, providing a scalable solution for intelligent power trading and long-term energy investment.
The GSL ENERGY 522kWh microgrid energy storage system demonstrates how two 261kWh battery storage cabinets can provide a reliable, scalable, and efficient 500kWh battery solution for commercial microgrids. Featuring advanced liquid-cooling technology and intelligent EMS control, the liquid-cooled battery system helps agricultural customers maximize renewable energy utilization while reducing operating costs.
Supporting Sustainable Rural Electrification in Malaysia
As renewable energy adoption accelerates across Southeast Asia, community microgrids are becoming an important solution for remote villages and regions with limited grid infrastructure.
This Sabah mini grid project highlights how integrated battery energy storage systems can improve energy stability, optimize solar utilization, and reduce dependence on diesel generation.
GSL Energy continues to support global residential, commercial, industrial, and community-scale ESS deployments with OEM/ODM/OBM energy storage solutions.
Get in touch with us
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!
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
Copyright © 2026 SHENZHEN GSL ENERGY TECH CO LTD |Sitemap | Privacy Policy