Some manifestations of battery attenuation

    Difficulty in starting    

The most common problem is the difficulty in starting. Of course, this does not mean the difficulty in starting in the cold environment (the difficulty in cold starting in the cold region is mostly caused by the oil mark). For example, starting the car in normal time only takes more than 1 second, but becomes a 3 second starting time; Secondly, the fuel consumption is increased due to the uncertainty. The reason is that after the battery decays, it is not durable or easy to fill. The engine is always busy charging the battery, so the fuel consumption will naturally increase; Secondly, when idling, the lights will suddenly dim, which is also caused by insufficient speed.

    The battery observation hole turns black    

Most batteries have electric eyes. The colors of the electric eyes are green, black and white. Green means sufficient power, black means insufficient charge, and white means low liquid level in the battery. If the car drives frequently, but the electric eye is still in black, it means that it should be replaced.

    Leakage of battery shell    

Obvious expansion deformation or bulge is found on both sides of the battery, or there are white or green powder like objects on the pile head of the battery, which indicates that the battery has a problem and should be replaced in a timely manner, because those are the oxides of the battery. If it is not replaced, there will be potential safety hazards. Remember to replace it to reduce the loss of the car and avoid potential safety hazards.

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