Vehicle Battery & Alternator Diagnostics

What causes 'Sulfation' in lead-acid starting and deep cycle batteries?

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 Correct IncorrectLeaving a battery sitting in an undercharged state. Soft lead sulfate can crystallize into hardened, poorly conductive lead sulfate crystals that reduce electrochemical plate reaction and may become permanent.

What causes 'Sulfation' in lead-acid starting and deep cycle batteries?

• Adding too much distilled water
• Using the headlights during nighttime driving
• Charging the battery too quickly in the summer
• Leaving the battery in an uncharged or partially discharged state, causing lead sulfate to crystallize and become difficult to reverse