The energy storage battery management system consists of battery pack management unit (BMU module), battery cluster management unit (RCU module), system management unit (SCU module) and system display management unit (MM10 module). This lithium bms battery management system supports a maximum of 1500V energy storage system.

Topology of BMS ESS Features of BMS for ESS

3+1 level structure

Online program upgrade

Support bidirectional IO ports to achieve automatic address coding

Multi-ports environment supervision devices data access

Function of BMS for ESS

Battery information management

Cluster status monitoring

Cluster status analysis

Safety control and protection

Energy control management

Battery maintenance management

Communication port and protocol

Specification of BMS of Battery for ESS

BMU Module

Category Item Specification

Working environment Temperature Operating temperature：-20～+65°C Storage temperature：-40～+125°C

Working power Voltage/Power consumption Rated voltage：9～32Vdc（reverse connection protection） Rated power consumption: 120mW (without load)

Communication CAN Support 1-channel non-isolated CAN Communication rate: 250kbs

Collection Cell voltage collection Collection range: 0～5V Collection resolution: 1mV Collection accuracy: Collection rate：100ms Electrical isolation:

+10≤t≤+45 °C, the accuracy ≤5mV; 4149Vdc/2934Vac (8mm)

-40~≤t≤125°C, the accuracy ≤8mV

Cell temperature collection Collection range: -40～+125°C Collection resolution： Collection accuracy: Collection rate：200ms

0.1°C -20≤t≤+65°C, the accuracy≤1°C;

-40≤t≤+125°C, the accuracy≤2°C

Cell equalization Cell equalization control Support 24-channel cell passive equalization Equalization resistance: 33Ω Equalization temperature rise：≤45°C

RCU Module

Category Item Specification

Working environment Temperature Operating temperature：-20～+65°C Storage temperature：-40～+125°C

Communication CAN/RS485 Support 1 isolated CAN and 1 non-isolated CAN 2 isolated RS485

Collection Total voltage Collection range: 0～1500V Collection resolution: 0.1V Collection accuracy: Collection rate: Electrical isolation:

collection Total voltage