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I noticed that my charging gage on the Dynon jumps up after starting then runs at 25 in yellow for quite some time before settling in about 8 to 10 . Is

that normal ?

  • Re: high charging voltage

    by » 3 weeks ago


    No, verify that with a meter.


  • Re: high charging voltage

    by » 3 weeks ago


    Ref: ..."Charging Gauge"  ...  ???

    Did you mean to say  High Charging Current(Amps) or High Charging Voltage?

    25 Amps settles to 8 Amps?  OR 25 Volts settles to 8 volts???

    - - -

    We will need some background information.

    What Aircraft?

    What engine?

    What Battery?

    Is the battery normally kept on a maintainer?

    Did the battery die in storage?

    Is this a new issue?

    What changed/Happened/Didn't happen between the last time you considered it Good and Now.

    What numbers are you used to seeing?


    Bill Hertzel
    Rotax 912is
    North Ridgeville, OH, USA
    Bill.Hertzel@Yahoo.com
    Clicking the "Thank You" is Always Appreciated.


  • Re: high charging voltage

    by » 2 weeks ago


    I am talking Amps Voltage always looks good while running

    912 uls

    kitfox

    lithium battery 16 months old ,no maintainer

    2 alternators

    I did run it down   about a month ago working on radios but showed 10 volts and it charges fine with a special charger

    I didn't do anything different and always jumps up after cold start but is seams like it stays on a bit longer now.

    I think  8 to 10 amps is normal . It runs 2 dynons, strobes and Navs all the time.

    It seems like it has always done it and the factory said not to worry about it if it is charging ok. Sometimes I think the Dynon is so sensitive and shows more detail than a normal gage.

     


  • Re: high charging voltage

    by » 2 weeks ago


    I called this High voltage but it is high amps not volts, Sorry


  • Re: high charging voltage

    by » 2 weeks ago


    Starting the engine puts a drain on the battery. Lithium batteries, unlike lead acid batteries, can accept large charging loads even when they are near full. So it would not be unexpected that immediately after starting, the amp output would be high and then quickly taper as the near full battery becomes completely full. Do your readings represent a change in charging behavior, or is this how it has always behaved (with the lithium battery)?

     


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