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Home » Spaces » Smart-UPS & Symmetra LX / RM » discussion » General » Battery calibration key / constant for Smart-Ups 1400 RM

Battery calibration key / constant for Smart-Ups 1400 RM

Discussion in Smart-UPS & Symmetra LX / RM started by Michelle , 8/7/2018 6:23 PM
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  • ocgltd
    Novice Novice
    Michelle 8/7/2018 6:23 PM

    I put new batteries in my SU 1400 RM and discover that my UPS incorrectly shows batteries discharged after a a few minutes.  I found the EXACT same symptoms and cause and solution on the forums, and the solution was to enter a new constant for the batteries (calibration key)

    I also found the instructions online for how to adjust the constant using a serial terminal.  Now I just need the value to set the constant to.

    Could you post the battery constant / calibration key value I should use for the Smart-UPS 1400 RM ?

  • voidstar
    Expert Expert
    voidstar 8/9/2018 3:50 PM (in response to Michelle)

    You can do a manual calibration. Load the UPS to 30% or more (ie, 285W or more for your UPS), make sure the battery is charged 100%, unplug it, and let it run until it turns off.

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