Magnum BMK Accuracy Question

mcnutt13579mcnutt13579 Registered Users Posts: 98 ✭✭✭
What are all your feelings on the accuracy of a Magnum BMK set on auto efficiency.  They don't specify if you should tell it AH at 6 hour or 20 hour rate either.  We have not had very good success with Trimetric or Outback keeping calibrated in the long term.


  • EstragonEstragon Registered Users Posts: 3,581 ✭✭✭✭✭
    IMHO, it's pretty much impossible for any SOC meter to stay accurate on a LA bank over the long term, especially in situations where the bank spends many days/weeks cycling at < 100% SOC.  
    Main daytime system ~4kw panels into 2xMNClassic150 370ah 48v bank 2xOutback 3548 inverter 120v + 240v autotransformer
    Night system ~1kw panels into 1xMNClassic150 700ah 12v bank morningstar 300w inverter
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