Why does a newly replaced car battery run out of power again?

1 Answers
CoraMarie
07/30/25 10:22am
The reason why a newly replaced car battery runs out of power may be due to issues such as battery leakage or alternator failure, or it could be a stock vehicle. Reasons for power loss: Using in-car electrical devices like the radio or dome light while the engine is off can drain the battery. Additionally, unauthorized installation of high-power electrical devices or forgetting to turn off the headlights after using the car at night can also cause the battery to lose power. Battery disconnection: During long-term parking of the car, it is recommended to disconnect the negative terminal of the battery to cut off power. It is also advisable to start the vehicle at least once a week and let the engine idle for about 15 minutes to recharge the battery.
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