I should mention that a jump can only provide power for the 12V battery and will not offer any additional range. However, most EVs can be jump-started in exactly the same way as a regular gasoline-powered car. In either case, it would still take about two weeks for the 12V battery to lose its charge. That means the only times you would need a jump are if you let the main battery level drop to zero, or you left the car plugged in for too long. The 12V battery recharges using power from the main battery. The larger main battery powers the wheels a smaller 12-volt battery, similar to a regular car battery, powers everything else. Yes, you can indeed jump-start an electric vehicle, although the circumstances in which you’d need to give an EV a jump are rare.Įlectric cars have two batteries. (Image credit: Tom Pritchard/Tom's Guide) If you're driving at night, it could take longer. Fifteen to 30 minutes of uninterrupted driving with the headlights off will usually do the trick. The good news is that the battery recharges by itself as you drive. Once your car is up and running, you need to make sure that the battery is recharged so you don’t need another jump next time you want to use the car. Your car likely needed a jump because something drained the battery to the point where it wasn’t able to power the starter motor. What to do after your car has been jump-started Turn off the engine and disconnect the battery pack in reverse order: black then red.Let the car run for five to ten minutes.Connect the black jump lead to a grounding point.Connect the red jump lead to your car battery’s positive terminal.Make sure the booster pack is fully charged - otherwise every other step is futile.If you planned for this eventuality already and have a charged-up battery-booster pack in your car, then the jump-start process is much the same, albeit without having to find a second car willing to wait around to give you a jump. Remove the jumper cables in reverse order, and be sure the leads don’t touch each other.This will recharge the dead battery enough to give it an independent start. Once both cars are running, leave them both idling for around 10 minutes.If two or three start tries don't do it, wait a couple of minutes and then try again. You may have to pump the gas pedal a few times before the engine starts. Switch on the ignition on the car with the dead battery and try to get the engine to turn over.Switch on the working car’s ignition and let the engine run for a couple of minutes.This can be any piece of unpainted metal in the engine block - provided it’s well away from the battery and fuel system. Connect the other end of the black jumper cable to a grounding point on the car with a dead battery.Connect the black jumper cable to the negative terminal on the working battery.Connect the other end of the red jumper cable on the positive terminal on the dead battery.Connect your red jumper cable to the positive terminal on the working battery.Turn off both engines and pop the hoods, then ensure the hand or parking brakes are on. Position both cars so that both batteries are within reach of the jumper cables.The working battery with jumper cables connected to both battery terminals (Image credit: Shutterstock)
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