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5 Steps to Jump-Start a Car Battery Easily and Safely!

5 Steps to Jump-Start a Car Battery Easily and Safely!

7 May 2026 | MyProtection News Jakarta

A car battery serves as the power source to start the vehicle. If your car's battery dies, one of the steps you can take is to jump-start it.

Generally, the correct way to jump-start a car involves connecting the dead battery to another car battery. However, this process must be done properly. Here’s how:

5 Steps to Jump-Start a Car Battery Easily and Safely!

cara jumper aki mobil

1. Prepare the Necessary Jumper Tools

The first step in jump-starting a car battery is to prepare all the tools you need, such as jumper cables and a donor battery.

The donor battery should come from another car that is in good condition, with a healthy voltage level. Ideally, use a battery from a similar type of car to ensure voltage compatibility.

Jumper cables are used to connect the two car batteries and transfer electric current from the healthy battery to the dead one.

2. Position the Vehicle Properly

The next step is to position the vehicles properly. The two cars should be parked close enough for the jumper cables to reach both batteries.

Ensure both cars are turned off. For manual transmission of cars, make sure to turn the shift into neutral. Whereas for automatic cars, shift into park or P.

Engage the parking brakes on both vehicles to prevent any movement during the jump-start process.

Also, make sure all electrical systems are turned off by removing the keys from the ignition.

Once confirmed, open both car hoods and position the batteries close enough to make the jump-start easier.

3. Connect the Jumper Cables

Now connect the two batteries using the jumper cables. These cables typically come with clamps on both ends, red for positive and black for negative.

To do it properly, it’s important to connect them correctly:

  • Attach the red or positive clamp to the positive terminal of the dead battery.

  • Attach the other red clamp to the positive terminal of the donor battery.

  • Attach the black or negative clamp to an unpainted metal surface on the car with the dead battery, preferably on the engine block or car frame, not directly on the battery.

4. Start the Engines

After the cables are connected properly, start the donor's car first, then try starting the car with the dead battery.

Let both cars run for a few minutes so that the electrical current can charge the dead battery. If the alternator is still functional, it should begin recharging the battery right away.

5. Disconnect the Jumper Cables

Once the dead car starts and is running smoothly, carefully disconnect the jumper cables in reverse order, which is:

  • Remove the black or negative clamp from the previously dead battery.

  • Remove the black clamp from the donor battery.

  • Remove the red or positive clamp from the previously dead battery.

  • Lastly, remove the red clamp from the donor battery.

After the jump-start process, double-check to see if the previously dead battery is now functioning properly.

Remember, failing to perform the process correctly may lead to serious risks such as electrical short circuits, battery explosions, or permanent battery damage.

Therefore, even if you understand how to jump-start a car battery, it’s always safer to let a professional or auto shop handle it. Hope this helps!

*PT Lippo General Insurance Tbk is licensed and supervised by Financial Services Authority (OJK)

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About MyProtection News Jakarta
MyProtection is one of the pioneer portals for purchasing health insurance and general insurance online which can be accessed via website and application platforms since 2017.
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