HBCU100 is master control module, HBMU100 is slave module; 
Rated 12/24VDC voltage; 
HBCU and HBMU can view working status via indicators;
Calculate SOC, SOH, cell min/max voltage, average voltage, cell min/max temperature, etc.;
Three-level fault alarm protection function;
Master positive relay control function and pre-charge circuit control function;
Support 15 BMU modules online simultaneously;
HBMU100-16 can collect 16 cells and 8 temperatures, HBMU100-32 can collect 32 cells and 16 temperatures;
With passive equalization function, max equalization current is 100mA;
BCU can communicate with BMU via CAN, high anti-interference capability;/
RS485-1, RS485-2 communication ports that can be matched with energy storage converters (PCS) from multiple manufacturers at the same time;
With insulation resistance detection function (via RS485-3 port)
BCU and BMU modules can fast upgrade firmware via CAN port without unpacking maintenance;
Through HMU8-BMS display module, real-time monitoring of the whole system, parameter configuration and firmware upgrade can be realized.