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How Long Can a Car Run the Air Conditioner Without Starting Before the Battery Dies?

1 Answers

McPresley

07/30/25 6:02am

If you run the air conditioner in a car without starting the engine, the battery can die within tens of minutes. When the car is not running, the air conditioner does not provide cooling, and prolonged use will drain the car's battery, potentially leading to difficulty starting the engine. Here are some tips for air conditioner maintenance: Comprehensive Air Conditioner Inspection: Before using the air conditioner for the first time in summer, it's essential to inspect the air conditioning system. Check the refrigerant level via the reservoir, ensure the air filter is not excessively dirty, and look for any debris on the radiator. Pay Attention to Air Conditioner Cleaning: Regularly replace the air filter to prevent moldy odors. Additionally, clean the condenser periodically, and for a thorough cleaning, remove the radiator.

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