Datasheet
Power shelves
Powering artificial intelligence with capacitive energy storage systems
The Flex CESS—designed with Musashi’s Hybrid SuperCapacitors, known for excellent power density, longevity, and reliability—is the first to market Capacitive Energy Storage System which balances utility power in data centers.
Main features
- Supports and balances power supply systems during large power transients
- Long lifespan
- Operating temperature +10 to +45ºC
- Parallelable up to 8 units per Rack Power Zone
Applications
- AI servers
- Hyperscale cloud services
| Feature | Flex CESS M2 | Flex CESS N |
|---|---|---|
| Dimensions (H x W x L) | 537 x 938 x 46 mm (21.1 x 36.9 x 1.8 in) | 465 x 788 x 44 mm (18.3 x 31 x 1.73 in) |
| Output power maximum | 22kW Power Conditioning Unit (PCU) | 16kW Local Energy Storage Tray (LEST) |
| Output voltage | 45.5V to 51.5V | 45.5V to 51.5V |
| Output current | +/- 440A | +/- 320A |
| Input voltage range | 45.5V to 51.5V | 45.5V to 51.5V |
| Cooling | Fan cooled | Fan cooled |
| I/O connector | BK500 | BK500 |
| Safety | UL810 UL81A UL810B IEC 60384 IEC 62813 | UL810 UL81A UL810B IEC 60384 IEC 62813 |
| Communication | MODBUS over RS-485 | MODBUS over RS-485 |
| Datasheet | Download the M2 PDF | Download the N PDF |
