How Long Should A Jump Start Take. Never jumpstart a battery if fluids are frozen. If the battery is cracked or leaking do not jumpstart the car.
Let both cars run. Jump-starting a car is easy but you should do it with caution. A fully discharged but otherwise good battery will pull 30 or more amps through a 40 amp battery charger set on fast charge.
So why should you choose a portable jump starter.
Start the other car. A jumpstart would only take less than 10 minutes. A battery reaches a state of discharge that is below the standard range of 12-volts. Let both cars run.
