How long does a car need to run after a jump start?

1 Answers
SanKeira
07/29/25 11:54pm
If using a regular charging mode, it typically takes about 12 hours. If relying on the car's own alternator for charging, driving for 1 to 2 hours should suffice. Here are some precautions for jump-starting: (1) The rescue vehicle should turn off its power to prevent short circuits caused by incorrect connections and avoid equipment damage; (2) Use dedicated automotive jumper cables, not homemade ones; (3) When connecting the cables, follow the sequence of connecting the positive terminal first, then the negative terminal, ensuring the positive and negative terminals do not touch; (4) After connecting the jumper cables, promptly start the engine of the rescue vehicle to ensure it has sufficient power; (5) Once the rescued vehicle's engine starts successfully, disconnect the negative terminal first, then the positive terminal to prevent short circuits.
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