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what caused my low battery?

  • 14-10-2012 9:13am
    #1
    amandstu
    Registered Users, Registered Users 2 Posts: 3,960 ✭✭✭


    Or rather is my suspicion correct?

    I plugged in a lamp recharger into the cigarettte lighter socket to test it.
    That was all.Just 4/5 seconds to see if the light on the lamp that indicated it was charging came on (it did).
    Then I took it out.

    Next morning the battery was low and I had to remove the battery and bring it into the house for heat before I eventually succeeded in getting the motor to go.
    This (following ) morning it has started normally.

    I would be very careful to lock the car and turn off the radio overnight and so I don't think that could have been the problem.
    And I appreciate that to have left in the recharger for long periods could be asking for trouble (which I didn't do)

    Now I do have to admit that the recharger itself (the first time I had used it at all) was in poor ,recently repaired shape and was damp to boot).
    But could 4/5 seconds of connection to the battery via the cigarette lighter socket have drained the battery so quickly?


Comments

  • #2
    juan.kerr
    Closed Accounts Posts: 2,766 ✭✭✭juan.kerr


    Short circuit perhaps?


  • #3
    gbee
    Closed Accounts Posts: 6,388 ✭✭✭gbee


    Battery age?

    Your battery could be reaching say 75% which could be enough to start in mild weather. A few seconds of a high draw could bring it down a few points to where it would not fire the engine.


  • #4
    Mar4ix
    Registered Users, Registered Users 2 Posts: 2,352 ✭✭✭Mar4ix


    how old is battery ? they usually ok 4 -5 year, if you get longer , then it is your luck.

    when car is running, check voltage on battery poles, if it around 14 v., then alternator is fine, if around 12 v., then alternator is gone, also short driving distances kills batteries.


  • #5
    amandstu
    Registered Users, Registered Users 2 Posts: 3,960 ✭✭✭amandstu


    battery is about 2 years old.The last one lasted 5 years.
    It started OK this morning and the circumstances were pretty much identical to yesterday except for the brief use of the cigarette socket. (and for the fact that I am now aware that if it doesn't start first go I could be in trouble and so take extra care)


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