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The car battery connection method, is it serious that the battery is wrongly wired?

Blog 3年前 (2021-11-22) 254 Views

The car battery has a certain self-discharge rate. Even when there is no electrical equipment connected, there will be self-discharge. Normally, it will lose about 1% of the electricity every day. If the car is parked for a long time and the car has not been started during the period, it will cause the battery to lose power and cause the car to fail to start. At this time, you can choose the battery wiring method for emergency charging.

Car battery connection method

1. A rescue vehicle is needed for a car to take a battery. After finding the rescue vehicle, move the fronts of the two vehicles together.

2. Prepare the two charging cables, open the hood, and connect the positive and negative electrodes of the two car batteries with the charging cables.

3. The engine of the rescue vehicle is idling at idle speed, try to start the losing electric car, if the battery loses electricity, the car will start soon.

4. After the car is started, the internal generator will charge the battery. Generally, it takes about 30 minutes to run after starting.

Is the battery wrongly wired?

If the battery is wired wrongly, not only the wiring and connectors will be damaged, but also the service life of the circuit will be affected, and it will cause a short circuit to catch fire. Therefore, the car battery wiring must be in strict accordance with the sequence, and then connect after seeing the positive and negative poles, so as to ensure safety. The red wire is connected to the positive pole, and the black wire is connected to the negative pole. Connect the positive electrode first, then the negative electrode, and the positive and negative poles of the two cars must not be in contact.