About Dyness Stack280 BDU Single Unit
The Dyness Stack280 BDU Single Unit is the intelligent foundation of the Stack280 modular energy storage system. Acting as both the control hub and protective interface, the BDU (Battery Distribution Unit) enables safe, efficient, and plug-and-play operation of Stack280 lithium battery modules. It is essential for managing each tower or “cluster” in a Dyness Stack280 installation.
Detailed Features
- Centralized Battery Management:
- The BDU integrates Dyness’s advanced Battery Management System (BMS), which continuously monitors:
- Cell voltage balancing
- Charging/discharging current
- System temperature
- Cycle count and battery health
- The BDU integrates Dyness’s advanced Battery Management System (BMS), which continuously monitors:
- Plug-and-Play Stack Interface:
- Thanks to the rackless stackable design of the Stack280 system, the BDU allows quick assembly of up to 15 modules per tower without additional wiring.
- Each module simply stacks above the BDU base, streamlining installation to under 30 minutes per stack.
- Built-in Safety with Fire Suppression:
- The BDU controls the system’s aerosol-type fire suppression feature.
- If high-temperature or fire risk is detected, the extinguishing mechanism activates within seconds—offering enhanced safety in residential and commercial environments.
- Flexible Communication & System Integration:
- The BDU is equipped with:
- CAN and RS485 communication ports
- WiFi-ready monitoring interface
- EMS and hybrid inverter compatibility
- The BDU is equipped with:
- Modular Scalability:
- Each BDU can manage a single Stack280 cluster (minimum 3, maximum 15 modules).
- Up to 12 clusters can be linked in parallel using multiple BDUs, supporting massive storage systems scalable up to 2.58 MWh.
Technical Specifications
- Compatibility: Dyness Stack280
- Function: Battery distribution, protection, and communication unit
- Stack Support: Supports 3 to 15 Stack280 modules (43–215 kWh)
- Battery Chemistry Managed: LiFePO₄ (Lithium Iron Phosphate)
- Charge/Discharge Control: Supports up to 140 A nominal / 200 A max continuous
- Peak Discharge (Short Term): Up to 280 A
- Communication Interfaces: CAN, RS485, optional WiFi
- Fire Suppression Control: Built-in aerosol extinguisher system activation
- BMS Management: Integrated battery management with temperature protection
- Enclosure Rating: IP20 (indoor use only)
- Mounting: Base unit – floor-mounted stack base
- Stacking Format: Rackless, modular plug-and-play architecture
- Installation Time: ≤ 30 minutes per stack (with battery modules)
Applications
- Residential Solar + Battery Systems: Enables safe, smart storage from 43 kWh upward per stack for homes with backup or self-consumption needs.
- Small to Mid-Size Commercial Installations: Each BDU supports battery stacks up to 215 kWh—ideal for peak shaving, time-of-use optimization, and load-shifting.
- Large-Scale Off-Grid or Hybrid Systems: With multiple BDUs and stacks in parallel, it’s suitable for off-grid lodges, telecom, or agricultural operations.
- Energy Expansion Projects: Add more modules or full towers over time—BDU ensures compatibility, communication, and safe management of new additions.
