QDTB® Transformer

QD-BMS-12S

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QD-BMS-12S | QDTB®

12S LiFePO4 BMS for 38.4V packs, passive balancing, CAN/RS485 communication.

Key parameters

Cell Type
LiFePO4
Cells in Series
12S
Voltage Accuracy
3 mV
SOC Accuracy
5 %
Balancing
Passive 50~300mA
Communication
CAN, RS485/Modbus

Detailed Technical Specifications

Cell TypeLiFePO4
Cells in Series12S
Voltage Accuracy3 mV
SOC Accuracy5 %
BalancingPassive 50~300mA
CommunicationCAN, RS485/Modbus

Product Drawing

battery-management-systems - QD-BMS-12S

Three-Level BMS ArchitectureBAU — system / containerBCU — clusterBMU — per-cell voltage / temperatureCell → cluster → system monitoring and protection
BMS Sense / Balance / Protectper-cell voltage / temperatureBalancepassive/activeMOSFETCAN/RS485Cell → cluster → system protection
SOC vs Voltage (LFP plateau)plateauSOC (%)Voltage (V)

Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.

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All specifications and dimensions can be customized upon request