Why Does the Car Battery Die After Parking for a Few Days?

1 Answers
VanWalter
07/30/25 6:13am
The car battery dies after parking for a few days due to prolonged use of high-power electrical appliances or leaving some electrical devices on after locking the vehicle. Below are specific details about car batteries: 1. Function: The battery's role is to store electrical energy. Without it, the car cannot operate normally. 2. Charging While Driving: The battery can be charged by the alternator while the car is running. If the car is parked for an extended period, it can easily lead to battery discharge, making it impossible to start the car. Therefore, during long-term parking, it is advisable to start the vehicle at least once a week for more than 5 minutes to recharge the battery. 3. Charging Precautions: Generally, it takes 4-5 hours to fully charge the battery, and overcharging should be avoided.
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