How to start an electric car that has a dead battery

If you are new to the electric vehicles (EVs), or are starting to look at options for an upcoming purchase, you may not know that in addition to the high-voltage battery pack that powers the engine, they also use the same 12-volt batteries that power gasoline vehicles. And, yes, these batteries of 12 volts they can lose their charge and prevent the car from starting.

But the good news is that they can also be started, even with the help of a gasoline vehicle. In an article for Kelley Blue Book, Chris Hardesty Analyze the entire process. This is what you should know.

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Safety issues when jump starting a battery in an electric vehicle

Before entering on how to bootit is good to point out some of the security concerns that Hardesty states in the article:

  • While it is possible to jump the 12-volt battery in an electric vehicle, never try to jump start its high-voltage lithium-ion batteries.
  • Do not use an electric vehicle (EV) to power another 12-volt battery. “Electric vehicle charging points are for starting the car itself and not for assisting another vehicle with a jump startHardesty writes.
  • The vehicle that gives the electric vehicle a jump start must have a 12-volt battery with a negative ground system, which, Hardesty says, it is typical of cars that run on gasoline.
  • The instructions below provide an overview of how to jump-start electric vehicle batteries, but make sure you consult the manufacturer’s manual firstin case that particular make/model need special treatment.
  • You can too use a portable jump starter with an electric vehicle’s 12-volt battery.

Tips for making jumper in an electric car

How to jump start a 12 volt battery in an electric vehicle

In his article, Hardesty provides the following instructions for jump-starting a dead 12-volt battery in an electric vehicle:

  • Get the cars ready. Place the two vehicles, the EV and the vehicle with a good battery, close to each other so they don’t touch.
  • turn on the brake. Change to parking lot and put the parking brake.
  • Turn everything off. Check and make sure you turn off the lights and accessories on both vehicles.
  • Connect the positive clamps. You are now ready to connect one end of the red positive (+) cable to the positive (+) terminal of the discharged battery. When you’re done, connect the other end of the positive (+) jumper cable to the positive (+) terminal of the vehicle’s booster battery.
  • Place negative clamps. Next, place one end of the black negative (-) cable on the negative (-) terminal of the good battery. Now connect the negative (-) jumper cable to the negative (-) grounding point of the discharged battery.
  • Check. Make sure the booster cables are away from any moving parts and that the clamps have good metal-to-metal contact with the battery terminals and charging points.
  • Start the car of the donation vehicle. Take the vehicle with the good battery and start the car.
  • Turn on the EV. Finally, he tries to start the vehicle with the dead battery.