Visual inspection

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Before measurements such as open-circuit voltage, specific gravity of electrolyte or the battery load test are carried out, a visual inspection of the battery must be performed.

Through this check, it can be determined:

Whether the housing of the battery is damaged. Acid can leak out due to damage of the housing.
Whether the battery terminal (battery line connections) are damaged. Contact of the line connections cannot be guaranteed if the battery terminal is damaged. This can cause a line fire and malfunctions in the electrical system.