Huawei BMS consists of BCU (Battery Control Unit) and BMU (battery monitor unit). BCU is responsible for charge & discharge management, SOX estimation, fault protection, and communication with the vehicle system. BMU is in charge of battery voltage and temperature sampling and battery balancing.
| Item | Specifications |
| BCU Dimensions （X * Y * Z） | 250mm*100mm*20mm |
| BMU Dimensions （X * Y * Z） | 170mm*100mm*20mm |
| State Estimation Error | SOC ≤ ±3%; SOH ≤ ±3% |
| Operating voltage range | 9～16 Vdc |
| Total voltage detection | 0～1000 Vdc，±0.5%F.S. |
| Cell voltage detection | ±3 mV, can collect up 56-channel voltages |
| Cell temperature detection | ±1 ℃, can collect up to 24-channel temperatures |
| Functional safety | ISO 26262 ASIL C |
Batteries are highly complex nonlinear systems that involve multiple physical field processes, such as electrochemical, thermal, mechanical and chemical reaction dynamics. Based on the battery mechanism and years of expertise in the battery field, Huawei AI BMS integrates big data and AI capabilities and are based on massive cloud data.
