When specialized applications require robust, high-performance battery solutions, the SPEC-690 provides 690 kWh of engineered power storage. Purpose-built for Marine vessels, this system delivers reliable performance in challenging conditions where standard commercial batteries fall short.
Empower IT brings you the SPEC-690—combining advanced battery technology with Supro’s innovative liquid cooling systems and intelligent controls for maximum safety, performance, and longevity.
The Supro Energy liquid cooling system utilizes micro-channel enhanced heat transfer technology, delivering superior thermal performance while maintaining industry maturity and strong transferability. This advanced cooling enables 100% liquid contact for superior energy efficiency compared to traditional air cooling, which typically results in PUE values of 1.4 or higher.
Part Number： SY800V690KWH18B
| Item | Specification | Remark |
| Nominal Capacity | 18Ah | 25℃，±5% |
| Nominal Voltage | 3.70V | |
| Volume Energy Density | ≥350Wh/L | |
| Upper voltage | 4.20V | |
| Min voltage | 2.70V | |
| Max. Cont. Charge Current | 70A | RT |
| Max. Cont. Discharge Current | 70A | RT |
| Max. Peak Charge Current | 175A / 105A | 10s / 30s @50%SOC |
| Max. Peak Discharge Current | 175A / 105A | 10s / 30s @50%SOC |
| Internal Resistance | ≤0.4~1.0m Ω | AC, 1kHz |
| Weight | 348.0g ± 10.0g | |
| Temperature Range | Charge | 0°C ~ 55°C |
| Discharge | -20°C ~ 55°C | |
| Cell life (100%DOD) | >20000 | 3C3D |
| Reduce the charge current when charge in a low temperature environment. | ||
| Item | Specification | Remark |
| Nominal capacity | 216Ah | @25℃，±5% |
| Nominal voltage | 133.2V | |
| Voltage range | 100.8~151.2V | |
| Nominal energy | 28.77KWh | |
| Weight（Kg） | 205±10 | |
| Constant charging current（A） | 250 | @RT |
| Constant discharging current（A） | 250 | @RT |
| Ingress protection | IP67 | |
| Working temp range | Charging: 0℃~55℃ | |
| Discharging：-20℃~55℃ |
Patented laser-welding core Modules design
6 modules are contained
Each module contains maximum 72 cells.
Local cell module controller included and serviceable
MSD with fuse is equipped Liquid cooling design
SOC Calculation:
Real time dynamic calibration
Vehicle operation condition was considered
Multi-method combination
High accuracy measurement of the cell voltage /temperature/pack current
Amount of data from experiment
Faults Diagnosis:
Insulation & water leakage
Cell voltage out of range
High/low temperature
Communication faults
Contactor weld
Power connection
Temperature sensor faults
