1500Vdc 112-Cell 100mA Passive Balancing BMS Slave Module ESBMM-B212

Delivering unparalleled high-density data acquisition with an ultra-low power footprint, this 1500Vdc-compliant BMS slave board redefines battery monitoring. It features 112 discrete channels for both cell voltage and NTC (10K) temperature tracking, ensuring no thermal blind spots. The module utilizes energy consumption balancing technology to discharge multiple cells simultaneously at 100mA, with measurable balanced energy for precise analytics. Supported by active thermal control logic and a remarkable 10uA low-power standby mode, it meets the most rigorous electrical insulation and safety requirements, including GBT36276 and EN/IEC/UL60730.

 

Applications  

Liquid-Cooled BESS

Suited for precise 112-point thermal tracking and active temperature control.

C&I Energy Storage

Ideal for racks utilizing 100mA passive balancing for multi-cell consistency.

Remote Microgrids

Perfect for off-grid setups using the 10uA low-power mode to minimize battery drain.

Containerized ESS

Matched for dense installations demanding rigorous functional safety and insulation.

  • Product Details

Core Features  

  • Bi-directional active balancing control, balancing current 2A, any-cell-to-any-cell in rack.
  • Support cell-level voltage monitoring of 24 cells.
  • Support 20 NTC (10K) temperature monitoring points.
  • Support active balancing cell over-voltage, under-voltage, over-current, under-current and over-temperature detection.
  • Support 1 digital signal output and 1 digital signal input detection.
  • Support active thermal management such as temperature control of cooling or temperature rise to ensure system safety and extend battery life.
  • Support low-power mode DAQ, the potential current in low-power mode can be reduced to 10uA or lower.
  • Meet requirements of 1500Vdc Energy Storage System, comply with GB/T34131, EN/IEC/UL60950, EN/IEC/UL62368, EN/IEC/UL60730, GBT36276, IEC62477 for functional safety and electrical insulation requirement.

Technical Specifications - ESBMM Series  

Type Model Supply Voltage Voltage Series Voltage Range Temp Sensors Temp Range Balancing Current Communication
Level 1 Slave
Passive Balancing
ESBMM-1212-F HV6.0.0 DC24V 12 0-5V 14 -40~125°C 100mA CAN
ESBMM-2412-F HV7.0.1 24 24
ESBMM-3612-F HV7.0.1 36 36
ESBMM-4812-F HV7.0.1 48 48
ESBMM-6012-F HV7.0.1 60 60
ESBMM-1612-F HV7.0.7 / 16 16 Daisy Chain
ESBMM-3212-F HV7.0.7 32 32
ESBMM-4812-F HV7.0.7 48 48
ESBMM-6412-F HV7.0.7 64 64
ESBMM-6412-F HV7.1.0 DC24V 64 64 CAN
ESBMM-B212-F HV7.1.0 112 112
Level 1 Slave
Active Balancing
ESBMM-1222-F HV4.0.6 DC24V 12 0-5V 14 -40~125°C 2A CAN
ESBMM-1622-F HV4.0.6 16 16
ESBMM-2422-F HV4.0.6 24 24
ESBMM-2622-F HV4.0.0 26 26
ESBMM-5222-F HV4.0.0 52 56
ESBMM-A422-F HV5.0.0 104 104

Frequently Asked Questions (FAQ)

Q: How is the passive balancing uniquely managed on this module?

The ESBMM-B212 implements a 100mA passive balance achieved through controlled discharging of multiple cells within the rack simultaneously. Crucially, the dissipated energy of each individual cell can be precisely measured for better system analytics.

Q: What level of monitoring capacity does this module provide for advanced battery racks?

It delivers exceptional high-density tracking by supporting simultaneous cell-level voltage monitoring for up to 112 cells. Furthermore, it integrates 112 dedicated NTC (10K) temperature monitoring points, ensuring precise, 1-to-1 thermal oversight for maximum system safety.

Q: How does the board manage thermal safety and minimize standby power consumption?

The module uniquely supports active thermal management by intelligently controlling cooling and temperature rise to extend overall battery life. Additionally, it features an ultra-low power DAQ mode that drastically reduces potential current to 10uA or lower, virtually eliminating parasitic battery drain during standby.

Q: Is this BMS module fully certified for high-voltage commercial and utility-scale deployments?

Absolutely. It is explicitly engineered to meet the strict requirements of 1500Vdc Energy Storage Systems. The module fully complies with major global functional safety and electrical insulation standards, including GB/T34131, EN/IEC/UL62368, and IEC62477.

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