Home / About Us Factory Certificate Products What We Do? GSL ENERGY, founded in 2011, is a high-tech green energy manufacturer specializing in energy storage batteries and solar systems. Its HQ is in Shenzhen, with a 1,400 sqm facility. The 15,000 sqm R&D base in Huizhou houses 2 automatic and 4 semi-automatic lines, achieving 5.8 GWh annual output. GSL ENERGY serves over 138 countries, partnering with global brands. It's UL9540, UL1973, CB/CE, CEC, and CEI-021 certified. With 200+ staff, 25 R&D techs, and advanced lithium-ion battery design capabilities, GSL ENERGY offers customized services with strong competitiveness. "My one-stop service covers design, production, installation & after-sales for energy storage & solar." Play Video 0+Projects Complete0+Countries0+Key Customers0+Square Meters GSL ExhibitionOur green solar and lithium battery products have been sold to clients all over the world. Professional Technical Consultation Global Partnership Discussions Live Energy Solution Demonstrations Strategic Cooperation with Global Clients 12GSL Energy Solution's diversified line-up A Leader of Green Energy Provider GSL-CESS-125K232 Liquid-Cooling Energy Storage Battery GSL 409.6V 204.8kWh High-Voltage Residential Energy CESS-125K232: Commercial-Scale AC-Coupled Liquid-Cooled 125kW 261kWh Liquid-Cooled Battery Energy Storage System GSL ENERGY 204-614V 100Ah 3U LiFePO4 Rack Battery Liquid Cooling Energy Storage Systems | All-in-One BESS 16kWh Battery Storage Tower | IP65 Waterproof Lithium Iron Phosphate 100kW/215kWh Integrated PV Storage and Charging Solution Commercial high voltage battery 50kva186kwh air cooling integrated outdoor cabinet View Technical Specs Expertise Since 2011OEM/ODM Services by GSL EnergyAt GSL Energy, we are committed to providing tailored OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) storage energy solutions. With over a decade of expertise in Lithium Iron Phosphate (LiFePO4) battery technology, we offer scalable energy storage solutions that meet the diverse needs of our global customers. Why Choose GSL Energy for OEM/ODM? Customized SolutionsWhether you need bespoke battery designs, branded products, or specific system configurations, we work closely with you to deliver energy storage products that meet your exact specifications and market requirements. Advanced Manufacturing CapabilitiesOur state-of-the-art 15,000m² automated production facility in Huizhou, China, with an annual production capacity of 5.8GWh, allows us to quickly and efficiently fulfill large-scale orders without compromising product quality. Global CertificationsGSL Energy's products are certified to meet international standards, including UL9540A/UL9540/UL1973/IEC62619/CEC/UN38.3 and more, ensuring reliability and safety for global markets. Manufacturing Excellence at ScaleWith our automated production lines, GSL Energy can efficiently manufacture high-quality energy storage products at scale. Our advanced facilities, along with our 5.8GWh annual production capacity, ensure timely delivery even for large-scale projects, empowering your business with reliable and cost-effective energy storage solutions. Quality ControlGSL ENERGY A Leader of Green Energy Provider in China since 2011. To engage in the development and production of cutting-edge lithium battery systems. To create high-quality home energy storage batteries and industrial and commercial energy storage batteries and other products. Robust R&D andManufacturing FacilitiesRobust R&D andManufacturing FacilitiesGSL ENERGY boasts a 15k sqm R&Dbase in Huiyang, with automated lines.Together with Shenzhen HQ, weuphold top battery design, dev, &manufacturing standards. Strict Compliance with Global StandardsStrict Compliance with Global StandardsGSL ENERGY meets global standards,certified by UL9540, UL1973, CB/CE,CEC, CEI-021, ensuring reliability &safety worldwide. Skilled Talent Pool andScientific ManagementSkilled Talent Pool andScientific Management200+ staff, 25 R&D techs, robust mgmtsys. Ensures tech excellence, QA forESS. Staff trained to meet battery & QC standards. International CertificationsMeeting the highest global standards for safety and performance including UL, CE, and IEC.