When specialized applications require robust, high-performance battery solutions, the SPEC-21 provides 21 kWh of engineered power storage. Purpose-built for UPS systems, this system delivers reliable performance in challenging conditions where standard commercial batteries fall short.
Empower IT brings you the SPEC-21—combining advanced battery technology with Supro’s innovative liquid cooling systems and intelligent controls for maximum safety, performance, and longevity.
Part Number： SY704V21KWH31R
1.1 Module Performance
| Items | Energy type |
| Module | |
| Rated Energy | 10.56 KWh |
| Nominal Voltage | 352V |
| Nominal capacity | 30Ah |
| Min Voltage | 308V |
| Max Voltage | 396V |
| Char Current | 100A |
| Dis Current | 100A |
1.2 System Parameter
| Items | Value | |
| Battery Rack | ||
| Energy Per Rack | 21.12 KWh | |
| Rack Rated Voltage | 704V | |
| Nominal capacity | 30Ah | |
| Rack Minimum Voltage | 616V | |
| Rack Maximum Voltage | 792V | |
| Char Current | 100A | |
| Dis Current | 100A | |
| Dis Current | 2pcs | |
| PDU-Rack | 1pcs | |
| Total Battery Rack | 1String | |
| Projected Cycle Life ( 25℃) | 20,000 times | |
| Warranty | 15 years | |
| Self-discharge Rate | 2% per month | |
| Cooling | Natural cooling | |
| Case material | Steel case | |
| Storage Temperature | -20℃~40 ℃ | |
| Storage Humidity | 25% ~ 95%RH | |
| Operating Temperature | Discharge | “-30 ℃~60 ℃ |
| Charge | 0 ℃~55 ℃ | |
