1500Vdc 24-Cell 2A Active Balancing BMS Slave Module ESBMM-2422

The ESBMM-2422 is a high-capacity active balancing BMS slave module engineered for complex 1500Vdc energy storage platforms. It offers extensive real-time monitoring with 24 cell-level voltage channels and 20 dedicated NTC (10K) temperature sensing points. Driven by a powerful 2A bi-directional any-cell-to-any-cell active balancing system, this module dynamically optimizes battery rack consistency. Equipped with comprehensive fault detection, active thermal management, and an ultra-low power DAQ mode (≤10uA), it ensures maximized system efficiency, extends battery life, and strictly complies with global safety standards including EN/IEC/UL62368 and GBT36276.

 

Applications  

Large-Scale ESS Plants

High-density 24-cell monitoring ideal for 1500Vdc utility storage.

Commercial Peak Shaving

Active 2A balancing ensures stability during heavy charge/discharge cycles.

EV Fleet Charging

Robust thermal management for high-demand fleet charging infrastructure.

Containerized Storage

Dense 20 NTC tracking prevents localized thermal runaway in containers.

  • 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: What makes the ESBMM-2422 suitable for large-scale energy storage?

It combines high-density data acquisition, monitoring up to 24 individual cells alongside 20 temperature points, making it highly efficient for managing large battery clusters in complex 1500Vdc systems.

Q: How does the 2A active balancing benefit the battery rack?

The module features bi-directional, any-cell-to-any-cell active balancing with a strong 2A current. This actively redistributes energy rather than burning it off, drastically improving rack consistency and operational lifespan.

Q: What fault detection mechanisms are integrated?

It includes comprehensive, real-time safety monitoring, specifically supporting active balancing detection for cell over-voltage, under-voltage, over-current, under-current, and over-temperature scenarios.

Q: Can this module handle complex thermal management?

Yes, it supports active thermal management. It can control cooling or temperature rise functions based on real-time data from its 20 NTC sensors to ensure optimal battery operating conditions and system safety.

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