Posts made by Stefan

• REC BMS Voltage Setting for clean 100% SOC charge end.

  It looks like in my case, the max pack voltage went over the calculated value by about 1 Volt at the same point, where the charge current should have been reduced to 1.1A.  Maximum charging...

  posted in REC Q Series BMS

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  Stefan
  5/5/23, 6:09 AM
• REC BMS Voltage Setting for clean 100% SOC charge end.

  I asked REC in parallel and the answer was: Yes Balancing end voltage BVOL, should be the same as End of charge 4.084 As soon the highest cell reaches End of charge the current starts to ramp d...

  posted in REC Q Series BMS

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  Stefan
  5/4/23, 3:42 PM
• REC BMS Voltage Setting for clean 100% SOC charge end.

  Hi, I run a REC master/slave BMS for a 96 cells/40kWh stationary battery.  As described in the attached documentation, there is a pretty clever mechanism built into REC master device to clos...

  posted in REC Q Series BMS

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  Stefan
  5/4/23, 4:28 AM
• REC Master 9M - Startup Pieps - CAN Problem

  The REC BMS (now) supports the same high voltage CAN protocoll than the high voltage Pylontech systems (Force H1/2)  Please note, that this is quite different than the Pylontech 48V CAN protoc...

  posted in REC Q Series BMS

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  Stefan
  4/25/23, 6:32 AM
• REC Master 9M - Startup Pieps - CAN Problem

  Hi, here is the final installation of 40kWh brutto capacity.All works great with Sungrow and other High Voltage hybrid converters.Thanks again to Rick and especially to Tine@REC.  

  posted in REC Q Series BMS

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  Stefan
  4/24/23, 4:55 PM