As the global energy consumption transitions towards clean, distributed, and digital systems, energy storage has become a critical component. With GSL Energy's expertise in the energy storage sector, comprehensive strengths centered on manufacturing capability were steadily built, as well as system integration and global delivery experience. Establishing itself as an internationally recognized Global ESS Supplier.
GSL ENERGY goes way beyond simply just manufacturing and selling battery products. We focus on providing customized energy storage solutions tailored to diverse energy needs, serving global B2B clients, including EPC contractors, solar installers, system integrators, companies, and project developers.
Our business covers:
Commercial & Industrial (C&I) ESS
Telecom ESS
High-Voltage (HV) ESS
Solar-Integrated Storage, Charging, and Micro-grid Applications
This application-scenario-driven product and system portfolio forms the essential foundation for GSL ENERGY's evolution into a true Global ESS Manufacturer.
For an ESS supplier targeting overseas markets, compliance capability is a fundamental pillar of any global strategy.
GSL ENERGY's energy storage product range has obtained and complies with numerous mainstream international certifications and standards, including but not limited to:
UL 9540 / UL 9540A / UL 1973
IEC 62619
CE Marking
UN38.3
MSDS
CEC Listing
CEI 0-21
CB Scheme (configured per project requirements)
Furthermore, we can flexibly assemble certification packages to meet the regulatory and grid connection standards of various regions, including Europe, the Americas, the Middle East, Southeast Asia, Africa, and Asia,providing essential project assurance for successful deployment.
GSL ENERGY operates a high standard manufacturing system, capable of scalable, standardized, and customized production in parallel:
Modern factory spanning over 15,000 m²
Automated battery and system assembly lines
Annual delivery capacity at the GWh-scale for ESS
Capabilities covering cells, modules, battery racks, and full system integration
Building on this foundation, we support OEM, ODM, and OBM cooperation models to meet diverse client needs for branding, structural design, communication protocols, and system parameter customization.
A core strength of GSL ENERGY lies in our engineering expertise in different energy storage application scenarios.
Wall-mounted / Stackable / Floor-standing designs
Support for multi-unit parallel connection and capacity expansion
Compatible with mainstream inverter brands
Emphasis on safety, aesthetics, and user experience
Low-Voltage / High-Voltage system architectures
Applications: peak shaving, backup power, arbitrage
Modular design for easy expansion
Support for various business models
Telecom base station energy storage
Off-grid and weak-grid area applications
Designed for high stability and long cycle life
This comprehensive, scenario-spanning system expertise enables GSL ENERGY to provide replicable, deployable energy storage solutions across diverse countries and market environments.
In frameworks like Google's EEAT, "Experience" is paramount.
GSL ENERGY has successfully delivered real-world projects across multiple countries and regions, including:
North America: Residential and C&I storage projects
Latin America: Home energy storage system installations
Middle East: High-voltage storage and grid-connected projects
Southeast Asia: Telecom and off-grid storage applications
Africa: Solar-storage systems and micro-grid projects
These projects, covering varied climates, grid structures, and application needs, provide GSL ENERGY with real-world data and long-term feedback to continuously optimize system design and delivery capabilities.
As GSL ENERGY primarily serves global B2B partners, our service structure emphasizes long-term collaboration and professionalism:
Project-level technical support and solution design
Responsive engineering and commercial teams
Long-term warranties and after-sales support
Stable supply and delivery scheduling
Our aim is not to be a one-time transaction supplier, but a long-term energy storage solution partner.
For GSL ENERGY, "Global ESS Supplier" is not merely a marketing label. It is the outcome built upon:
A stable and reliable manufacturing system
Products and systems compliant with international standards
Multi-scenario, replicable solution capabilities
Verifiable global project experience
A long-term partnership philosophy for B2B clients
As the global energy storage market continues to mature toward greater standardization and professionalism, GSL ENERGY remains committed to its core pillars of engineering excellence, system safety, and global delivery, providing our partners with trustworthy energy storage solutions.