Why GSL ENERGY?

GSL ENERGY is a professional manufacturer of lithium battery energy storage systems, offering reliable and customizable solutions for home backup power, commercial and industrial applications, and off-grid or hybrid microgrid projects. We specialize in high-performance LiFePO4 batteries and integrated BESS systems designed for safety, scalability, and global deployment.

Proven Track Record Since 2011

With over a decade in the industry, GSL ENERGY has delivered more than 4500 successful energy storage systems across 100+ countries, supporting homes, factories, schools, telecom sites, and utility-scale projects.

Manufacturer, Quality First

Our 15,000㎡ smart factory integrates automated production lines and strict quality control. From lithium battery cells to complete BESS battery energy solutions, every product is tested and certified for safety and performance.

Global Certifications

GSL batteries meet international safety and compliance standards, including:
UL9540, UL1973, CE, CB, UN38.3, IEC62619, and more.

Full Customization

Whether it's a compact home battery backup or a multi-MWh industrial containerized system, we offer complete OEM / ODM / OBM services to tailor solutions to your specifications.

Frequently Asked Questions About GSL ENERGY Battery Storage Solutions

What types of products does GSL ENERGY offer?

GSL ENERGY manufactures a wide range of lithium energy storage solutions, including:Home Battery Storage (wall-mounted, rack, Powerwall, stackable);Commercial & Industrial BESS (HV cabinets, containerized ESS, hybrid systems);Telecom Batteries (48V/51.2V rack-mount lithium systems);Customized Battery Packs & OEM/ODM solutions

What is the lifespan of GSL ENERGY home battery storage systems?

Our LiFePO4 home batteries offer over 6500 cycles, equivalent to 10–15 years of usage, depending on usage and environment.

Do you offer EMS or PCS integration?

Yes. We provide fully integrated systems including energy management system (EMS) and power conversion systems (PCS) for turnkey BESS projects.

Do you offer OEM/ODM customization?

Yes, GSL ENERGY supports OEM, ODM, and OBM for global partners. We can customize voltage, capacity, enclosure design, interface, and branding.

Project Showcases

The home energy storage and commercial/industrial energy storage solutions provided by GSL Energy have earned global recognition for their reliability, performance, and scalability. Our products are trusted by thousands of customers across various industries and regions, powering homes, businesses, telecom towers, and public utilities with clean, efficient energy storage systems.