BG-BTMS8K is a high-capacity Battery Thermal Management System (BTMS) series developed for commercial EVs and industrial equipment operating under elevated thermal loads. The platform supports both transportation and off-highway applications while maintaining efficient battery temperature regulation.
Providing 8kW cooling capacity, BG-BTMS8K is suitable for large electric buses, battery-swapping trucks, construction machinery, and other demanding vehicle platforms. Advanced coolant circulation and intelligent thermal controls ensure consistent battery performance across a wide range of operating conditions.
Key Parameters
| Modelo | OEEDDR-03 (roof-mount) / OEEFDR-03 (bottom-mount) |
| Rated Cooling Capacity | 8 kW |
| Energy Efficiency Ratio (EER) | 2.2 |
| Operating Temperature (cooling) | −20°C to +60°C |
| High-Voltage Supply | 600 V DC (400–750 V range) |
| Low-Voltage Supply | 24 V DC (18–32 V range) |
| LV Required Power | 450 W (OEEDDR-03) / 800 W (OEEFDR-03) |
| Refrigerant | R134a |
| Coolant | 50% v/v ethylene glycol aqueous solution |
| Built-in Water Pump | Optional (OEEDDR-03) / 240 W integrated (OEEFDR-03) |
| Ingress Protection | IPX7 (OEEDDR-03) / IP67 (OEEFDR-03) |
| Roof-mount Dimensions (L × W × H) | 1300 × 1920 × 256 mm |
| Bottom-mount Dimensions (L × W × H) | 818 × 600 × 280 mm |
| Optional Heating | 5 / 10 / 14 / 24 kW PTC |
| Pipe Joint | Flange / butt-welded end (Φ25) / customizable |
| Connector | Aerospace connector / AMP |
| Comunicación | CAN bus with real-time fault self-diagnosis |
| EMC Compliance | Grade III |
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