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› Battery failure causes

Battery failure causes

Battery failures are caused by one of the single failures listed below.  Batteries that have been in use for longer periods of time will typically fail from multiple causes. All batteries will fail at some point in time.

1. High under hood heat or overcharging causes a loss of water (which account for over 50% of the failures) and accelerated positive grid corrosion or grid growth causes plate-to-strap shorts.

2. Sulfation from water loss, undercharging, or prolonged periods of non-use.

3. Deep discharges (such as leaving your lights on).

4. Misapplication or using an undersized battery that causes discharges greater than 10%. keeping the wrong battery in the wrong application. For instance, if the vehicle requires a certain amount of starting power, installing a battery that isn’t designed to provide that much starting power will quickly wear out to the point of a no-start situation. Also, if the battery’s dimensions don’t align with the vehicle’s recommendations, it might not have a good fit and suffer damage from vibration or clearance issues. Always pay close attention to the Battery Application Guide and specifically follow its instructions

5. Excessive vibration due to a loose hold down clamp.

6. Using tap water causes calcium sulfation.

7. Freezing/Hot Temperatures. Higher temperatures also have a detrimental effect on battery life. However, in the cold, oil and transmission fluids are more viscous so getting the car started requires more energy.

In general, extreme temperatures, hot or cold, have an adverse affect on battery life. However, it’s the heat that does most of the damage, but more batteries actually fail when they’re put to the test in the cold.

8. Accidental power drains (like leaving your headlights or dome lights on) that discharge the battery to the point that it doesn’t have enough power to start the vehicle. Draining the battery to a very low state-of-charge can do permanent capacity damage.

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