REC BMS North America User Forum

• 2Q (1)
• BMS (1)
• Booth reservation (1)
• battery (1)
• energy storage (1)
• hydrogen (1)

• REC Active BMS

  12V Active balancing BMS

  5/10/26, 9:03 PM
  118
  Topics
  744
  Posts
  M

  Martin
  5/10/26, 9:03 PM

  Sorry, I just wanted to make you guys aware but the 2.9.4 manual has a big error. DCH F goes to t...

• REC Q Series BMS

  Q Series for large, high voltage and redundant systems

  12/19/25, 12:55 PM
  35
  Topics
  224
  Posts
  

  Bill C.
  12/19/25, 12:55 PM

  Hey Ben, thanks for the reply. Here is a screenshot of my REC home page. This is a 24V start batt...

• REC SI Series BMS

  SI Series for Systems Integration with Inverters and chargers

  10/23/23, 9:36 AM
  3
  Topics
  24
  Posts
  R

  Rick
  10/23/23, 9:36 AM

  @Clarence  Hey Clarence, we lost your pics when we moved to a new platform and have some us...

• REC-BMS Programming and Configuration Questions

  Post your techincal questions here

  1/3/26, 2:36 PM
  14
  Topics
  60
  Posts
  R

  Rick
  1/3/26, 2:36 PM

  We have created a custom AI agent to help with REC BMS setup, troubleshooting and configuration. ...

• REC Product Announcements

  Check here for news and announcements on REC BMS

  1/3/26, 2:30 PM
  11
  Topics
  82
  Posts
  R

  Rick
  1/3/26, 2:30 PM

  The Master has been updated for 2026: supports multiple configurations without the need for a ...

• REC BMS to Victron VE Bus

  For details and questions about how the REC interfaces with Victron onver the VE Bus

  5/28/26, 11:40 PM
  12
  Topics
  76
  Posts
  o

  o-firstname
  5/28/26, 11:40 PM

  @Rick Is there a table of all the 29-bit CAN messages published anywhere? None of the manual...

• REC BMS Tips and Tricks

  Look here for general answers and clarifications to setting up your REC BMS

  9/8/25, 9:15 AM
  20
  Topics
  80
  Posts
  S

  Stefano
  9/8/25, 9:15 AM

  Update. I still experience randon disconnections. I have tried different firmware configurations ...

• REC Master Slave Large Scale Systems

  For info on large scale parallel and high voltage series systems

  5/25/25, 12:47 PM
  9
  Topics
  18
  Posts
  M

  Martin
  5/25/25, 12:47 PM

  Use of Relays and Opto-Couplers in Master-Slave configuration: Dear community. I have written my...

• REC 2Q Series BMS

  5/23/26, 11:28 AM
  12
  Topics
  54
  Posts
  G

  Geoff
  5/23/26, 11:28 AM

  Looking at the 2Q manual it looks like if I want OV and UV disconnects, then I can't use the stan...