What does it mean when a car battery's plates are damaged?

1 Answers
OFrank
07/29/25 8:32pm
Car battery plate damage indicates that the battery plates have been compromised, typically involving softening of the positive plates, sulfation of the negative plates, or short circuits and breaks in the plates. When the battery plates are damaged, the battery must be replaced. Precautions are as follows: Regular inspection: It is recommended to periodically check whether the small holes on the battery cover are ventilated. If these holes are blocked, the hydrogen and oxygen produced cannot escape, and the expansion of the electrolyte may rupture the battery casing, affecting the battery's lifespan. Additionally, regularly inspect whether the positive and negative terminal connections are loose, and tighten them promptly if necessary. Check water level: Note that if the water level is found to be below the lower mark, distilled water must be added. If distilled water is not immediately available, filtered tap water can be used as an emergency measure. Do not add too much water; the standard is to fill it to the midpoint between the upper and lower marks.
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