What should be paid attention to when replacing the battery of an electric vehicle?

1 Answers
LilaDella
07/29/25 4:41pm
When replacing a car battery, the following points should be noted: 1. Secure installation of the battery: Regularly check whether the battery is firmly installed, 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, causing damage. Loose connection wires could potentially generate sparks. 2. Limit ignition time to 3-5 seconds each time: If the car doesn't start on the first try, wait at least 15 seconds before attempting again. If the car still doesn't start after multiple attempts, avoid prolonged continuous ignition and look for other possible causes. Prolonged high-current discharge can severely damage the internal structure of the battery. 3. Avoid running the air conditioner while the car is idling: When the car is idling, the engine runs at a low speed, and the alternator cannot provide enough power for the air conditioner. This forces the battery to supply the required power, accelerating its wear and tear. 4. Maintain cleanliness and prevent rust: Regularly clean oxides and sulfates that form on the battery terminals. Apply petroleum jelly after scraping off rust to prevent further corrosion. Also, frequently 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 of a larger capacity: The car's alternator has a fixed power output. Installing a battery with a larger capacity may prevent it from being fully charged, making it difficult to start the car. A battery that is consistently undercharged will deteriorate faster.
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