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