What are the most common causes of premature battery failures?

    1. Deep discharges (leaving your lights on)
    2. Misapplication
    3. Using an undersized battery
    4. Loss of electrolyte due to under-hood heat or overcharging
    5. Undercharging or loose alternator belt
    6. Excessive vibration (due to loose hold down clamp)   
    7. Corrosion
    8. Freezing (any fully-charged vehicle battery will not freeze until the temperature is -75 degrees F. Frozen batteries are not warrantable.)
    9. Failure to charge a battery during a period of 6 months or more

Note: Here's how high the fluid in your battery should be:

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Visitor Comments

  1. Comment #1 (Posted by Chad )
    Why does a battery freeze and is that covered under the warranty? What is the freezing point of a battery?
  2. Comment #2 (Posted by Sandi )
    Do deep cell freeze easier than standard? How do I keep a battery from freezing?

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