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Thread: Battery Endurance Test

  1. #1

    Battery Endurance Test

    As part of my condition inspection, I would like to perform a battery endurance test on the internal batteries in my EF and EM. Only problem is, the units keep trying to power off every 5 minutes, even though at initial power-up I cancel the power-off message. Is there a way to keep these units powered on in my hangar (with no engine running, tach signal zero rpm)?

    Or is there a better way to perform an internal battery endurance / capacity test? I don't want to find out that my internal battery endurance is only 6 minutes when I have an electrical failure in IMC!

    Thanks.
    Highest Regards,

    Noah F
    RV-7A
    Rhode Island

  2. #2
    The AF-3000 systems do not have a battery test, the AF-4000 systems do have one.
    Rob Hickman
    Advanced Flight Systems Inc.

  3. #3
    OK, since this feature does not seem to be in the manual, can you explain how to do an internal battery endurance test on a 4500?
    Highest Regards,

    Noah F
    RV-7A
    Rhode Island

  4. #4
    From the Instrument Calibration Menu

    1. Admin Settings

    22. Diagnostics

    3. Battery Test

    Will keep the unit running and report the last battery test time.
    Rob Hickman
    Advanced Flight Systems Inc.

  5. #5
    Quote Originally Posted by Rob Hickman View Post
    The AF-3000 systems do not have a battery test, the AF-4000 systems do have one.
    I have an AF3400 non-s. Since there is no battery test, do you recommend replacing the internal batt. based on time in service, or something else.

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