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Battery Aging

Common Causes of Lead Acid Storage Battery Failure

Undercharging:

  •  Continuous operation of a battery in a partial state of charge (sulphation)
  •  Not allowing the batteries to reach a full state of charge after use (sulphation)
  •  Storing a battery in a partial state of charge (causes hardened sulphation)
  •  Continuous low charging voltage may cause stratification of the electrolyte causing the formation of lead sulfate (sulphation)

Overcharging:

  •  Continuous-charging by a poorly designed battery charger causing:
    • corrosion of the positive plates
    • excessive water consumption
    • overheating

Under-watering:

  •  Water is lost during the charging process which may cause irreparable damage if the electrolyte level is allowed to drop below the top of the plates.

Over-watering:

  • Excessive watering of a battery results in additional dilution of the electrolyte resulting in reduced battery capacity.



WARNING: Never add acid to a battery.

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Last modified: July 12, 2018