High-Capacity 14.34kWh LiFePO₄ Battery with CE-EMC Compliance for Residential Solar Systems
XSY Power Storage Wall is a smart lithium battery that stores solar energy, detects power outages, and automatically becomes your home's backup power source when the grid fails. With seamless switchover, it powers your home appliances and even electric vehicles using stored energy, then automatically recharges with sunlight to keep your household running for days. Designed for residential solar energy systems, this 14.34kWh 280Ah 51.2V wall-mounted LiFePO₄ battery delivers over 6500+ cycles, whisper-quiet performance, and modular expandability. It is fully certified with UL9540A, UL1973, and CE-EMC, ensuring industry-leading safety and reliability. Whether used on its own or paired with other XSY ENERGY products, the Power Storage Wall helps you reduce your electricity bills, lower your carbon footprint, and prepare your home for energy independence — all in one compact, vertically-mounted solution.
| MODEL NO | XSY051280A-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 |
Why Choose XSY Power Storage Wall?
Powerful. Certified. Designed for Smart Homes.
High Capacity – 14.34kWh of energy to support essential loads for days
Certified Safe – UL9540A, UL1973, CE-EMC compliance
Smart Monitoring – Optional WiFi & Bluetooth for real-time insights
Wall-Mounted Design – Space-saving and easy to install
Long Life Cycle – Over 6500 cycles with 10-year warranty
Solar Integration – Easily pair with solar inverters for energy independence
The XSY Power Storage Wall is also available as a solar battery 48V solution, making it the perfect match for modern residential solar energy systems. Built with advanced LiFePO₄ chemistry, this 48V lithium battery ensures stable voltage output, high round-trip efficiency, and long service life for daily cycling. Its wall-mounted design saves space while providing flexible installation options for both new and retrofit solar projects.
With intelligent battery management (BMS), remote monitoring capability, and wide inverter compatibility, the 48V solar battery can be seamlessly integrated into on-grid, off-grid, or hybrid systems. Homeowners can easily expand capacity by connecting multiple units in parallel, achieving scalable storage from a single-family household to large villas or small businesses.