What to Pay Attention to When Replacing a Car Battery
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When replacing a car battery, pay attention to the following points: 1. The battery must be securely installed. Regularly check whether the battery is firmly in place, including inspecting the battery connection wires and terminals for tightness and ensuring good contact between the wires and terminals. Otherwise, when driving on bumpy roads, the battery may shake or even fall off and get damaged, and loose connection wires could potentially generate sparks. 2. Limit the cranking time to 3-5 seconds each time. If the car doesn't start on the first attempt, wait at least 15 seconds before trying again. If the car still doesn't start after multiple attempts, avoid prolonged cranking and look for other potential issues. Prolonged high-current discharge can severely damage the battery's internal structure. 3. Avoid running the air conditioning while the car is idling. When the engine is idling, the alternator does not produce enough power to support the air conditioning, forcing the system to draw power from the battery itself, which accelerates battery wear. 4. Maintain cleanliness and prevent rust. Promptly clean any oxides or sulfates that form on the battery terminals. Apply petroleum jelly after scraping off rust to prevent further corrosion. Also, regularly remove dust, dirt, and spilled electrolyte from the battery cover, as well as any oxides or sulfates on the terminals. 5. Do not replace the original battery with one that has a higher capacity. The car's alternator has a fixed power output, so installing a higher-capacity battery may result in insufficient charging, making it difficult to start the car and causing the battery to degrade faster due to chronic undercharging.
