On June 26, 2025, GSL ENERGY, a global battery storage manufacturer specializing in lithium BESS (Battery Energy Storage System) solutions, conducted an in-depth technical training session in Europe for local partners. Led by CEO Jim and the company’s senior technical team, the visit was part of GSL’s commitment to providing tailored support to global clients across residential and industrial energy storage sectors.

The training covered key topics including:

Product features of GSL’s high-voltage and low-voltage battery systems

Configuration of parallel-connected commercial storage systems

Profitability models for C&I BESS deployment

Smart EMS integration

Routine maintenance and long-term performance optimization

As a customizable energy storage system supplier, GSL ENERGY showcased its ability to deliver OEM/ODM factory services, including hardware adaptation for local grids, project branding (logo/shell/EMS), and compliance with CE, UN38.3, UL9540A, and CB certifications.

Participants, including solar EPC firms, power solution integrators, and energy project developers, gave highly positive feedback. Many highlighted the hands-on training and system design consultations as key reasons for continuing and expanding cooperation with GSL ENERGY.

With a 15,000m² automated facility and 5.8GWh annual production capacity, GSL ENERGY empowers clients worldwide with scalable, smart, and profitable energy storage solutions.

Looking to Partner with a Reliable Battery Storage Manufacturer?

GSL ENERGY welcomes cooperation with:

Solar energy companies

ESS distributors and agents

EPC contractors

Energy storage project developers

Contact us now for custom C&I BESS solutions and start building your localized energy storage portfolio.