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2008-2013 Cadillac CTS General Discussion Discussion, Battery Voltage Question in Cadillac CTS Second Generation Forum - 2008-2013; Assuming the battery is not completely dead, voltage at zero or low loads is not a reliable indicator of battery ...
  1. #31
    billeee is offline Cadillac Owners Fanatic
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    Re: Battery Voltage Question

    Assuming the battery is not completely dead, voltage at zero or low loads is not a reliable indicator of battery condition. A load test is what you need. Free at many auto parts stores.

    I remember messing around with a scrapped battery when I worked in a service station. After jamming a large screwdriver into the cells and mashing up a lot of the plates, it still read over 12 volts at no load. You only need one working plate in each cell to give you full voltage at zero load, but it certainly won't start the car.

    The DIC voltage readout is only useful for determining the charging voltage.

  2. #32
    Mistercoffee2's Avatar
    Mistercoffee2 is offline Cadillac Owners Enthusiast
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    Re: Battery Voltage Question

    Tax and core charges included in Houston:

    ACDelco battery: $201 installed.

    Auto Zone, Duralast 5yr, 3yr replacement: $165 installed.

    Cadillac dealer: $365 installed, $235 for the battery over the counter.

  3. #33
    dreiloft's Avatar
    dreiloft is offline Cadillac Owners Fanatic
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    Wow $130.00 to install a battery.

    Cadillac dealer: $365 installed, $235 for the battery over the counter.[/QUOTE]

  4. #34
    Mistercoffee2's Avatar
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    Re: Battery Voltage Question

    Quote Originally Posted by dreiloft View Post
    Wow $130.00 to install a battery.

    Cadillac dealer: $365 installed, $235 for the battery over the counter.
    Yes, exact quote from Peacock Cadillac, 1 hour labor at $130.

  5. #35
    Bandit1's Avatar
    Bandit1 is offline Cadillac Owners Fanatic
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    Re: Battery Voltage Question

    Just replaced the oem battery on my 08 with a Duralast Platinum AGM (H6-AGM) for $162 +tax. Cheaper than an Optima Yellow Top, with the same performance numbers and a great deal more availability for warranty issues.

  6. #36
    Mistercoffee2's Avatar
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    Re: Battery Voltage Question

    Quote Originally Posted by Bandit1 View Post
    Just replaced the oem battery on my 08 with a Duralast Platinum AGM (H6-AGM) for $162 +tax. Cheaper than an Optima Yellow Top, with the same performance numbers and a great deal more availability for warranty issues.
    Where? + disposal fee?

  7. #37
    Bandit1's Avatar
    Bandit1 is offline Cadillac Owners Fanatic
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    Re: Battery Voltage Question

    Autozone in Herndon, VA. Core charge around $15+, refunded upon return of the core. No disposal fee.

  8. #38
    hauler's Avatar
    hauler is offline Cadillac Owners Enthusiast
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    Re: Battery Voltage Question

    That's cute. Some places charge disposal fees, and some "pay" for the old battery?

  9. #39
    tinman's Avatar
    tinman is offline Cadillac Owners Connoisseur
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    Re: Battery Voltage Question

    I haven't really heard about disposal fees for a battery. They want that old core for the lead, etc. Worth money to them.

  10. #40
    C&C's Avatar
    C&C
    C&C is offline Cadillac Owners Connoisseur
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    Re: Battery Voltage Question

    Disposal fee = (a tax, called a fee, and is going to some government program or coffers: sometimes makes sense i.e. old rubber, oil, antifreeze, now with a battery with lead that has definite worth; not so much).

  11. #41
    Mistercoffee2's Avatar
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    Re: Battery Voltage Question

    Quote Originally Posted by C&C View Post
    Disposal fee = (a tax, called a fee, and is going to some government program or coffers: sometimes makes sense i.e. old rubber, oil, antifreeze, now with a battery with lead that has definite worth; not so much).
    My bad. I said disposal fee but it is a core charge. I was looking at Auto Zone same as Bandit1.

  12. #42
    Bandit1's Avatar
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    Re: Battery Voltage Question

    I think you'll like the Duralast Platinum, Mistercoffee2. I like the idea of an AGM in the trunk instead of a conventional. Recommend you remove the alternate vent plug from the oem and install on the new battery before you return the core.

    ----------

    Quote Originally Posted by hauler View Post
    That's cute. Some places charge disposal fees, and some "pay" for the old battery?
    Weird concept of 'cute', hauler. Let me see....the customer pays $15+ core charge during purchase of the new battery (if he doesn't have the old battery for turn-in when purchasing the new one) and receives a refund of $15+ when the old battery is turned in. How is that paying for the old battery?

  13. #43
    hauler's Avatar
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    Re: Battery Voltage Question

    Actually, my assumption was the 2 posts were about 2 different stores in 2 different locales, with one giving the customer a credit for the core and the other giving the customer a tax. The whole thing is moot however, since the post about the tax was corrected to being misread, with both stores giving a core credit. Is that a good explanation?

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