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Battery date

Discussion in 'Range Rover' started by Robthebob, Apr 22, 2020.

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  1. Robthebob

    Robthebob Active Member

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    Hi everyone, can someone date a Exide battery no letters just numbers, 2044118. Thanks Rob
     
  2. gstuart

    gstuart D3 Grandad

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    Yep, I can ;):p:p

    B34F3E58-642F-44F4-A727-DA1E2A32B42C.jpeg
     
  3. Shimsteriom

    Shimsteriom Master Procrastinator

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  4. gstuart

    gstuart D3 Grandad

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    Dam it, I knew I shouldn’t have used it directly connected to a battery ;):p:p
     
  5. kermit_rr

    kermit_rr Well-Known Member

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    Ok I'll bite. Don't worry too much about the date. Worry about the resting voltage and measure a drop test
     
  6. gstuart

    gstuart D3 Grandad

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    plus 1 , :)
     
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  7. Robthebob

    Robthebob Active Member

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    lol, idiots are up early, must be the lockdown haha.
     
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  8. kermit_rr

    kermit_rr Well-Known Member

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    Why do you want to know the date?
     
  9. Robthebob

    Robthebob Active Member

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    well I don't know how long it's been on car, checked this morning all cells dry but holding charge, just wanted to know how old it is.
     
  10. kermit_rr

    kermit_rr Well-Known Member

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    you probably want to top it up then before you do anything else!
     
  11. Robthebob

    Robthebob Active Member

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    yes, just asking if anyone can tell by the numbers how old it is, to fill the battery will take 1-1/2 gallon to top up,
     
  12. kermit_rr

    kermit_rr Well-Known Member

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    It's completely dry!?
    How exactly can you say it's holding charge?
     
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  13. RangeRoller dt

    RangeRoller dt Well-Sprung Member

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    If it’s dry dry the date doesn’t really matter.

    I’d try fill it up and do the 2 night charge but not expect much.
     
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  14. RangeRoller dt

    RangeRoller dt Well-Sprung Member

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    Some crap chargers measure the resistance, when it holds all its charge triggers ‘full’
    I.e a battery capable of holding 2% charge will show as full at 2%
     
  15. Robthebob

    Robthebob Active Member

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    yes completely dry other than condensation, showing 12.56 volts,
     
  16. kermit_rr

    kermit_rr Well-Known Member

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    if there is no fluid in a lead-acid battery then the voltage is zero. no if's or buts
     
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  17. Datatek

    Datatek Well-Known Member

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    a smart charger will stop charging when it's fully charged and monitor the drop in voltage, charge resumes when the voltage drops below a preset level
     
  18. Datatek

    Datatek Well-Known Member

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    No fluid in some lead acid batteries.
     
  19. Datatek

    Datatek Well-Known Member

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    Some lead acid batteries do not have any free fluid and adding fluid will destroy them. As others have said, the age is unimportant, what is important is the fully charged voltage and the capacity as determined by a drop test.
     
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  20. kermit_rr

    kermit_rr Well-Known Member

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    are you referring to the likes of AGM? thats true, no free fluid, but equally they are sealed so you can't look inside for a level either
     
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