G-BP backup lithium battery BMS is tailor-made for green data center, the system adopts 2 + 1 level structure, providing data acquisition, data analysis, logic processing, data mapping integrated system solution, which can provide overcharge, overdischarge, overcurrent, overtemperature and short-circuit protection for the battery pack, real-time detection of battery safety status, fault diagnosis and early warning, and accurate estimation of SOC/SOH to ensure safe and stable operation of data center backup power system.
Support up to 4 channels total voltage acquisition;
2-channel current acquisition; 2-channel SOC/2-channel SOH;
With bi-directional charge/discharge switching control system.
RCU modules support external network ports;
All battery data of the system can be uploaded to the cloud through network port.
BMS software can be used to control customized high voltage boxes and bilateral control of the upper and lower half semi-axes of the UPS with center line.
32-bit Automotive-grade MCU with chip + AFE collection + CAN communication.
Over 90% domestic components.
Multi-BMU loop automatic address coding via 2-channel bidirectional I/O ports.
ARM-M3 chip with 2-channel voltage collection and large/small range current sensors.
CAN communication architecture.
Over 80% domestic components.
Insulation collection optimal design to minimize Y capacitor influence.
Receives, displays, and sets information from the GSCU module.
TF card data storage for analysis.
Supports online program upgrades via USB.
Local data storage and 10-inch capacitive touch screen.
Monitors battery cluster voltage and current.
Circuit relay control and protection.
Powers the GBMU module and battery fan.
Manages charge/discharge control and status of battery packs.
Supports manual de-clustering.
| Item | Parameter |
| Cell internal resistance accuracy | 0.03 |
| Temperature measurement accuracy | ≤1°C |
| Temperature sampling cycle | 100ms |
| Cell voltage measurement range | 0V~5V |
| SOC estimation accuracy | ＜5% |
| Cell voltage measurement accuracy | 0.001 |
| Operating voltage range | 9-32Vdc |
| Cell voltage measurement cycle | 100ms |
| System voltage measurement range | -20℃~+65℃ |
| Voltage collection range | 0V~1500V |
| Maximum operating humidity | 5%~95%RH（without condensation） |
| System voltage measurement accuracy | ±0.3% |
| System voltage sampling cycle | 100ms |
| Thermal management mode | Air cooling |
| System current measurement accuracy | 0.001 |
| System current sampling cycle | 50ms |
| Insulation state monitoring | Yes |
| Temperature detection range | -40℃~+125℃ |
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