Introducing the GSL 14.34kWh Wall-Mounted Energy Storage Battery, a next-generation LiFePO₄ solution designed for residential and commercial solar energy systems.
Certified to UL1973 and UL9540 standards, this model ensures superior safety, high efficiency, and long lifespan. With an IP65 waterproof rating, it can withstand harsh environments, making it suitable for both indoor and outdoor installations.
Built with advanced smart control technology, the battery features a Wi-Fi module for real-time monitoring and a heating system that guarantees optimal performance even in cold climates.
Up To 10-15 Years Warranty
Certifications
7x24hrs Technical Support
| MODEL NO | GSL051280A-B-GBP2 | |
| Battery Chemistry | LiFePO4 Solar Battery | |
| Capacity (Ah) | 280 | |
| Scalability | Max.16pcs in parallel (229kWh) | |
| Nominal Voltage (V) | 51.2/48V | |
| Operating Voltage(V) | 46-56 | |
| Energy (kWh) | 14.34 | |
| Usable Energy (kWh) | 12.91 | |
| Charge/Discharge Current (A) | Recommend | 100 |
| Max. | 150 | |
| Peak(2mins,25℃) | 200 | |
| Other Parameter | ||
| Recommend Depth of Discharge | 80% | |
| Dimension (W/H/D,mm) | 900*675*200 | |
| Weight Approximate (kg) | 128.50 | |
| Master LED Indicator | 4 LED (SOC:25%~100%) | |
| 2 LED (working, alarming, protecting) | ||
| IP Rating of Enclosure | IP20 | |
| Working Temperature | Charge:0℃～55℃ Discharge:-20℃～55℃ | |
| Storage Temperature | 0℃～35℃ | |
| Humidity | 5%~95% | |
| Altitude | ≤2000m | |
| Cycle Life (25±2℃,0.5C/0.5C,80%EOL) | ≥8500 | |
| Installation | Wallmounted | |
| Communication Port | CAN2.0, RS485 | |
| Warranty Period [3] | 15 years | |
| Certification | UL1973, UL9540A, CB-IEC62619, CE-EMC, MSDS, UN38.3 | |
Certified for Global Safety Standards
With UL1973 and UL9540 certifications, the GSL Wall-Mounted Battery meets the highest standards required by the North American market, guaranteeing reliability, safety, and compliance.
IP65 Waterproof Protection
Engineered with a robust aluminum casing and IP65 rating, it operates safely in diverse environments — whether it’s installed in a garage, outdoor wall, or industrial facility.
Smart Connectivity
Monitor system performance anytime, anywhere. The built-in Wi-Fi enables seamless connection with the GSL Smart Energy App, allowing users to check battery status, charging cycles, and real-time energy usage.
Cold Climate Ready
Equipped with a self-heating function, the system ensures stable operation and prevents efficiency loss during low-temperature conditions.
Modular & Expandable
Designed for scalability, users can easily connect up to 16 batteries in parallel, achieving capacities up to 229kWh—ideal for small businesses, off-grid systems, and energy backup projects.
Founded in 2011, GSL ENERGY is a leading manufacturer of LiFePO₄ batteries and solar energy storage systems, headquartered in Shenzhen, China.
Our products have been exported to over 138 countries across the Americas, Europe, Africa, and Asia, widely used in homes, telecom stations, farms, hotels, and commercial buildings.
We provide OEM / ODM / OBM services, offering customized residential, industrial, and commercial energy storage solutions to meet global demand for sustainable power.
Share your project requirements with GSL ENERGY. Our team supports residential, commercial and industrial energy storage projects across the United States and Canada.
