Settings for Battery Recharger

Discussion in 'Prius v Main Forum' started by Tonydavid, Jan 3, 2021.

  1. Tonydavid

    Tonydavid Junior Member

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    Hi...I have borrowed a Optima Digital 1200 charger to charge my OEM Prius v battery.
    The charge has 4 profiles for charging (see photo). I am not sure which profile to use. My battery is the 2014's original Toyota battery (see photo). Should I use profile 1, 2 or 3? I have tried to research this and am confused. Thanks Chart.jpg Thanks!
     

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  2. Air_Boss

    Air_Boss Senior Member

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    I vote for profile 3.
     
  3. jdenenberg

    jdenenberg EE Professor

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    The Optima 1200 can charge at 12 amps. Your battery doesn't like charging above 4 amps. If your battery is discharged it will see a higher charging current than the manufacturer's rating.
     
  4. Tonydavid

    Tonydavid Junior Member

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    So what would you recommend? Not using this charger?
     
  5. jdenenberg

    jdenenberg EE Professor

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    It is fine as a battery maintainer/desulfator and to charge the battery when it is not too discharged. I would use a lower capacity charger to get the battery up to about 80%. The smaller 400 model would be perfect for our low charging rate battery.

    JeffD
     
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  6. jzchen

    jzchen Senior Member

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    If I had to choose #4. Mode designed for smaller battery...

    moto g(7) power ?
     
  7. tvpierce

    tvpierce Senior Member

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    It's an automatic charger, so it's not going to push full power for the full duration of the charge cycle. It's going to taper off the amps as it approaches 85 - 90% charge (depending on their algorithm) If it were me, I'd put it on #3 for a couple of hours, then switch it to #4. But you can't go wrong with selecting #4, it just might take a little longer.
     
  8. sam spade 2

    sam spade 2 Senior Member

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    Your time likely would be better spent getting a new battery.
    At 6+ years old, it is highly likely that it won't last much longer no matter what you do to it.

    What "profile" you choose probably won't make a lick of practical difference.
    But I vote for 4.
     
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