Battery Backup System

Delta’s compact 33 kW battery backup system, with 97% efficiency, provides a reliable power source for AI workloads while cutting operational costs and carbon emissions.

Product Introduction

Features & Benefits
  • Offers ORv3 Barklip connection and BusBar connection solution
  • With EIA 19” and OCP 21” form factor solutions  
  • Highest power density (11W/in³) and high efficiency (97%) 
  • BBU provides 4 minutes backup time after 4 years 
  • Received UL9540A fire propagation in BESS test certification

 

Specifications
  1. Model: 33 kW BBU Shelf
  2. Input Voltage: 47.5–53.0 VDC
  3. Output Voltage: 50 VDC
  4. Current (Max.): 
    Discharge Mode: 674A
    Charge Mode : 33A (5.5A x 6)
  5. Charge Power: 1650 W
  6. Discharge Power:
    33 kW, 90s after 6 years
    24 kW, 240s after 6 years
  7. Operation Temputrue: 0 to 40°C
  8. Dimensions (W x H x D): 537 x 93.6 x 787.5 mm
  9. Safety: UL, CE, CB
  10. Fire resistance: UL9540A unit level approved
  11. Communication: Ethernet with PMC
  13. Model: 5.5 kW BBU Module
  14. Input Voltage: 47.5–53.0 VDC
  15. Output Power: 5500 W
  16. Output Voltage: 50 VDC
  17. Current (Max.): 
    Discharge Mode: 112A
    Charge Mode : 5A 
  18. Discharge Power:
    5.5 kW, 90s after 6 years
    4.0 kW, 240s after 6 years
  19. Efficiency
    Discharge Mode: > 97%
    Charge Mode: > 95%
  20. Operation Temputrue: 0 to 40°C
  21. Dimensions (W x H x D): 78.1 x 87.6 x 694.0 mm
  22. Safety: UL, CE, CB
  23. Fire resistance: UL9540A unit level approved
  24. Communication: Modbus
  26. All specifications are subject to change without prior notice.

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33 kW BBU Shelf

5.5 kW BBU Module

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