

Dyness SBDU100 + Base Control Unit for Stack100 Storage System
The Dyness SBDU100 is the control unit (BDU/BMS) of the Dyness Stack100 storage system, supplied together with the support base. The 51.2V / 100Ah (5.12kWh) battery modules are stacked on the base in a series configuration, while the SBDU100 manages contactors, protections, balancing and dialogue with the hybrid inverter.
A Stack100 cluster can count from 3 to 15 modules, for an energy from 15.36 to 76.8kWh and a voltage range from 134 to 864V, with a maximum current of 100A (1C). The unit integrates a WiFi module for monitoring and OTA updates through the app and communicates in CAN/RS485 with Ingeteam, Solis, GoodWe, Growatt, Solplanet, SAJ, Deye, Hoymiles and Solinteg inverters. Up to 12 clusters can be connected in parallel.
Key features
Technical specifications
| Feature | Value |
|---|---|
| Product code | SBDU100 |
| Model | Dyness SBDU100 (BDU + Base) for Stack100 |
| Function | BDU/BMS control unit and base for the Dyness Stack100 storage system |
| Module compatibility | Dyness Stack100 51.2V / 100Ah (5.12kWh), LiFePO4 |
| Modules per cluster | from 3 to 15 |
| System energy | from 15.36 to 76.8kWh per cluster |
| Voltage range | from 134V to 864V |
| Recommended current | 50A (0,5C) |
| Max charge/discharge current | 100A (1C) |
| Peak discharge current | 125A (1.25C) for 2 minutes at 25 °C |
| Depth of discharge (DoD) | 95% |
| Clusters in parallel | up to 12 (approx. 921kWh) |
| Compatible inverters | Ingeteam, Solis, GoodWe, Growatt, Solplanet, SAJ, Deye, Hoymiles, Solinteg |
| Communication | CAN / RS485; built-in WiFi module with OTA update via app |
| Protection rating | IP20 |
| Operating temperature | charge 0-55 °C; discharge -20 to +55 °C |
| Dimensions (W x D x H) | 590 x 390 x 133.5 mm |
| Weight | 26.5 kg |
| Safety | Built-in aerosol extinguisher |
| Cycle life | ≥ 8,000 cycles / 10 years |
| Certifications | CE-EMC, CE-RED, IEC62619, IEC63056, IEC62477, IEC62040, UN38.3 |
| Warranty | 10 years |
Documentation
PDFDatasheet SBDU100Official manufacturer documentPlease check compatibility with your storage system before ordering.
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