What current should be set for car battery charging?

1 Answers
EmiliaAnn
07/30/25 3:51am
When charging a car battery, the voltage should be adjusted between 14 to 15 volts, and the current should be approximately one-tenth of the battery's capacity. The battery is a crucial component in a car's electrical system, serving the function of storing electrical energy. Without this component, the car cannot operate normally. Typically, it takes about 4 to 5 hours to fully charge the battery, and it's important to avoid frequently overcharging the battery. The battery can be charged by the alternator while the car is running. If the car is left unused for an extended period, the battery may lose its charge, making it difficult to start the car. Therefore, it is recommended to start the car at least once a week for more than 5 minutes to recharge the battery during long-term parking.
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