The GSL-W-A20K 20.48kWh LiFePO₄ Battery with Wheels represents the next generation of smart, modular, and safe home and commercial energy storage. Built with top-tier REPT battery cells, this unit ensures exceptional performance, longevity, and safety — delivering over 6,500 life cycles at 80% depth of discharge (DoD).
Long Life & Safety
GSL’s vertically integrated manufacturing and the use of premium Lithium Iron Phosphate (LiFePO₄) cells Guaranteed outstanding reliability and safety. Features advanced thermal stability with a cycle life exceeding 6,500 cycles.
Intelligent Energy Management
Each unit comes with an independent BMS (Battery Management System) that optimizes power flow, protects against overcharge/discharge, and ensures efficient communication between modules. The plug-and-play automatic addressing function simplifies system setup, making it ready to use within minutes.
Modular & Scalable Design
The modular architecture allows flexible expansion — connect up to 15 units in parallel to achieve a massive 300kWh capacity. This makes it ideal for both home energy storage and commercial backup applications.
Easy Installation & User-Friendly Interface
With wheels for easy movement and a compact, floor-standing design, the GSL-W-A20K is both stylish and practical. The intuitive touchscreen interface provides real-time system data and control, while the plug-and-play setup minimizes installation time and cost.
Wide Compatibility
Engineered to be compatible with most hybrid inverters, including leading global brands, ensuring flexible integration into new or existing ESS systems.
Enhanced Safety & Certification
Built-in circuit breaker offers additional safety protection. Certified with CB IEC62619, CE, UN38.3, and MSDS, the GSL-W-A20K meets global standards for performance and safety. The IP20 protection rating provides reliable resistance to dust and limited moisture exposure.
Outstanding Cost Performance
Compared with similar energy storage systems in its class, the GSL-W-A20K delivers exceptional value for money. By combining high-quality REPT LiFePO₄ cells, intelligent BMS technology, and modular scalability within a compact design, it achieves premium-grade performance at a far more competitive price point. GSL’s vertical integration and in-house manufacturing significantly reduce production costs—allowing customers to enjoy top-tier reliability and capacity without the premium price tag. It’s the ideal balance of performance, safety, and affordability for both homeowners and businesses.
About GSL ENERGY
As a leading vertically integrated manufacturer of lithium iron phosphate battery systems, GSL ENERGY has been providing reliable ESS solutions for over 138+ countries, serving 100,000+ users worldwide. With self-developed technology in cells, BMS, and system design, GSL ENERGY continues to innovate high-quality, safe, and intelligent energy storage systems for a sustainable future.
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