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Battery manufacture date

Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by ToriM, Jan 19, 2020.

  1. ToriM

    ToriM New Member

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    2011 Prius
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    Five
    Can anyone help me on the battery manufacture date? 180911W. I read this as September 11, 2018. Is that how you would read it?

    It’s a 2011, which also makes me thing it’s September 18, 2011 because we have all the service records and nothing shows the 12v being replaced. It was serviced at the dealership for every single thing, so my thought is that they would have had that done there as well and there would be a record.

    any help welcome.
     
    #1 ToriM, Jan 19, 2020
  2. bisco

    bisco cookie crumbler

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    sounds right, time for a replacement.
     
    #2 bisco, Jan 19, 2020
  3. ToriM

    ToriM New Member

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    Which one sounds right? It’s either a battery from 2012, or 2018...
     
    #3 ToriM, Jan 19, 2020
  4. TMR-JWAP

    TMR-JWAP Senior Member

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    The code is Day of the month, month and then year.

    So....180911 is 18th day of September, 2011.

    I have 2 batteries on the shelf in the shop, they are:

    231215W = 23rd day of December, 2015

    070712W= 7th day of July, 2012
     
    #4 TMR-JWAP, Jan 19, 2020
    dig4dirt likes this.
  5. ToriM

    ToriM New Member

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    Thank you for replying! I had a sneaking suspicion that it was an original battery!
     
    #5 ToriM, Jan 19, 2020
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