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Battery Management System

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.

Home DriveONE DriveONE-Cloud Battery Management System

Voltage Power Compatibility

SOC Error within ±3%

Technical Specifications

Item	Specifications
BCU Dimensions （X * Y * Z）	250mm100mm20mm
BMU Dimensions （X * Y * Z）	170mm100mm20mm
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

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Cloud Based Warning System AI BMS

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.