Lynx Smart BMS NG Sending Incorrect Charge Voltage Limit

DIY
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1

After approximately one week of normal operation, the Lynx Smart BMS NG started transmitting a charge voltage limit of 54V instead of the expected 56.8V.

The system configuration includes:

Screenshot_20260408_194050_VRM
Screenshot_20260408_194050_VRM1080×2340 138 KB

Screenshot_20260408_194025_VRM
Screenshot_20260408_194025_VRM1080×2340 119 KB

  • 6 × 300Ah NG batteries

  • Lynx Smart BMS NG

  • MultiPlus

  • Ekrano GX

All batteries are properly balanced.

Has anyone encountered a similar issue or can provide guidance on possible causes?

2

54V corresponds to the float voltage, mine goes to 13.5V for a 12V system at float. Absorption is 14.0V so 56.0V.