What is the Voltage of a Private Car Battery?

1 Answers
SanMaddox
07/29/25 3:53pm
Generally, private car batteries are either 12V or 24V, while large vehicles typically use 24V batteries. These batteries are usually lead-acid batteries, primarily made from lead and its oxides. Precautions for Charging a Car Battery: First, adjust the battery's liquid level to the specified height using distilled water or a dedicated battery replenishing fluid. Before charging, connect the battery to be charged according to the rated voltage and current of the charging equipment. The total voltage of batteries connected in series should not exceed the rated voltage of the charging equipment. The charging current for constant current charging is selected based on the battery's capacity. Constant current charging is carried out in two stages. The charging current in the first stage is one-tenth of the battery's rated capacity, and in the second stage, it is one-twentieth of the battery's rated capacity. After charging the battery, check the density of the battery's electrolyte. During charging, the current should not be too large—keep it below 2A—and the voltage should not exceed 14V. The charging time should not exceed 12 hours.
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