The SUNWAY SW51B314TW2 is a high-performance LiFePO₄ battery storage unit, engineered as a reliable home battery storage system for residential and commercial energy storage.
Installation | Floor mounted |
| Expandable Design | Up to 15 units in parallel |
| Smart BMS | Safer & smarter power control |
Features
Ⅰ. Safe & Reliable
High safety LiFePO₄ battery storage. Compliance with CE, EMC, UN38.3, and MSDS certifications
Ⅱ. Compact & Flexible
Standard height design, ideal for space-saving installation in home battery storage system setups.
Ⅲ. Modular
Support up to 15 units in parallel, offering flexible home energy storage solutions.
Ⅳ. Wide Compatibility
Compatible with most hybrid/battery inverters, making it a core component for the best solar energy system for home in self-consumption, back-up and off-grid applications.
Ⅴ. Ultra performance
More than 6000 cycles, with self-developed BMS/Cell/Pack to ensure the9 best quality for long-term battery energy storage solutions.
Ⅵ. Intelligence
Strong pre-charge and balancing capability, with remote data history and firmware upgrading functions, supporting reliable home energy storage solutions.

| Models | SW51B314TW2 |
|---|---|
| Nominal Voltage (V) | 51.2V |
| Nominal Capacity (AH) | 314AH |
| Nominal Capacity(WH) | 16076WH |
| Working Voltage (V) | 43~57.6V |
| Max. Continuous Current(A) | 150A |
| Max. Discharge Power(W) | 8000W |
| Communication | RS485/CAN |
| Working Temperature | Charge:0°C~+55℃; Discharge:-10°C~+55°C |
| Modules Connection | 1-15pcs in parallel |
| Screen Display | Yes |
| Bluetooth | Yes |
| Certification | CE/ EMC/ UN38.3/ MSDS |
| Design Life | 10 years |
| Cycle Life | >6000@0.5C80%DOD |
| Dimension | 820*660*239mm |
| Weight(Kg) | NG:120Kg Gross:140kg |









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