Can you pour hot water on the car battery if it doesn't catch fire?

Introduction If the car battery won't turn on, can I pour hot water on it? In the past, when it was difficult to light a fire in winter, there was a simple solution: pour boiling water over the battery. In fact, the so-called boiling water poured over the battery is

Can you pour hot water on the car battery if it doesn't catch fire?

No.

Previously, when it was difficult to light a fire in winter, there was a simple solution, which was to pour boiling water over the battery. In fact, the so-called boiling water for the battery is to pour hot water on the positive and negative electrodes of the battery.

After the battery has been used for a period of time, the electrolyte overflows and oxidizes, and reacts with the copper loop of the battery to produce corrosive products (anhydrous copper sulfate). These corrosive products will cause poor battery contact and cause poor battery contact. The heat. Water can cause these oxides to act quickly and easily, improving the conductive properties of the car.

This method actually only addresses the situation in which the battery poles are in poor contact due to oxides. When the battery is seriously low on power, thismethod cannot replenish energy. Additionally, most trucks are now equipped with maintenance-free batteries and oxidation of the battery poles rarely occurs.

Correct method:

Trolley starting is the best known and most effective emergency starting method, but it is a last resort and cannot not be used frequently, as it is harmful to the engine and clutch. Automatic vehicles should especially avoid starting in this way.

Detailed information:

How to prevent car battery from catching fire:< /p>

In order to avoid being unable to charge when the battery is discharged, car owners should prepare a jumper cable in the car, which can be purchased at general auto parts stores.

However, when connecting the jumper cables, you must not make a mistaker in the order in which the jumper cables are connected. First connect the positive terminal of the dead battery to the positive terminal of the emergency vehicle battery, then connect the negative terminal of the emergency vehicle battery to the metal part (ground wire) in the engine room of the dead vehicle.

Once the jumper cable is connected, you can start the engine of the emergency vehicle and slightly increase the engine speed. After about 5 minutes, you can emergency charge the discharged battery. Once charging is complete, the jumper cables should be removed in the reverse order they were attached.

The most reliable way is to contact the emergency vehicle in time, then connect the jumper cable and temporarily charge it through the emergency vehicle to start the engine.

Reference materials:

Baidu Encyclopedia-Car Battery

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