What to Do When the Car Battery Overheats and Fails to Start?

1 Answers
LaDaniella
07/30/25 5:53am
Check the battery's appearance. If the deformation is very slight or there is no deformation, you can fully discharge the battery. Use a clean syringe to inject about 10ml of distilled water into each cell, then connect the charger and monitor the liquid level at all times. Once the charger turns green, remove the excess liquid. Reinstall the valve caps and cover plates, then mount the battery back in the car for use.
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