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Posts Tagged: battery sulfation

Sulfation in lead acid batteries

What is battery sulfation? How battery sulfation occurs. Batteries produce power through a chemical reaction between the lead plates and the electrolyte (battery acid). Car battery acid is a diluted solution of sulfuric acid H2SO4. In simple terms, the battery acid provides the sulfate, hydrogen, and oxygen needed to interact with the pates and produce power. When a car battery is discharged through use or from self-discharge from non-use, the sulfate that was in the acid becomes attached to the surface of the plates. The sulfate crystals reduce the plate’s … Read More

What causes battery sulfation?

Battery sulfation definition and prevention What causes car battery sulfation? • Deep discharge—like leaving your lights on overnight • Self-discharge—all lead acid batteries self-discharge about 1-2% per day, depending on the storage temperature (faster in higher heat). • Long periods of discharge— The longer you leave a battery in a discharged state, the more the sulfation process becomes a problem. • Faulty charging system—If the alternator isn’t working in your car, you’ll draw more power from the battery than you’re returning. That will cause sulfation. How does a battery sulfation … Read More

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