Dyness Stack 280 Battery S51280

The Dyness Stack 280 Battery S51280 is a high-performance lithium iron phosphate (LiFePO4) energy storage solution designed for small commercial and industrial (C&I) applications, as well as advanced residential energy systems. Featuring a modular, rackless, and stackable design, the Stack 280 delivers outstanding scalability, safety, and long-term reliability for solar energy storage, backup power, and hybrid energy systems.

Each battery module provides 14.336 kWh nominal energy with 13.619 kWh usable capacity, powered by high-density 280Ah LFP cells. The system supports flexible expansion from 43 kWh up to 2.58 MWh, making it ideal for growing energy demands across commercial buildings, factories, warehouses, farms, microgrids, and large residential installations.

Key Benefits

• Scalable modular architecture supporting up to 12 clusters in parallel
• High safety design with built-in aerosol fire extinguishing system that detects and suppresses fire within 5 seconds
• Long service life with 8000+ cycles at 95% depth of discharge
• Fast charging and discharging with up to 200A continuous current
• Plug-and-play installation with cable-free stacking between modules
• 10-year manufacturer warranty for long-term peace of mind

Performance and Reliability

The Dyness Stack 280 uses advanced LiFePO4 battery chemistry, known for thermal stability, long cycle life, and low degradation. With a nominal voltage of 51.2V per module and an operating system voltage range of 134.4V to 864V, it delivers consistent performance under demanding conditions. Forced air cooling ensures stable operation across a wide temperature range, from -20°C to 55°C.

Intelligent Monitoring and Compatibility

The system supports CAN and RS485 communication, integrated WiFi and mobile app monitoring, and seamless compatibility with leading inverter brands such as Solis, Growatt, Deye, Atess, Solinteg, Sosen, Magarevo, and others. This makes integration into new or existing solar and energy storage systems straightforward and efficient.

Ideal Applications

• Commercial and industrial solar energy storage
• Peak shaving and load shifting
• Backup power systems
• Hybrid grid-tied and off-grid systems
• Microgrids and energy independence solutions
• Large residential energy storage installations

Technical Highlights

• Battery module model: S51280
• Nominal energy per module: 14.336 kWh
• Usable energy per module: 13.619 kWh
• Nominal capacity: 280Ah
• Battery chemistry: Lithium Iron Phosphate (LFP)
• Recommended charge/discharge rate: 0.5C
• Maximum continuous current: 200A
• Depth of discharge: 95%
• Protection rating: IP20
• Certifications: UN38.3, CE-EMC, IEC62619

The Dyness Stack 280 Battery S51280 is a future-ready energy storage solution delivering scalability, safety, and long-term value for modern energy systems. Suitable for customers seeking reliable, expandable, and intelligent battery storage technology.