A little off topic. Say you let your car sit too long because you were out of town and now the battery is too drained to start the car. It isn't totally dead and will let the radio or lights run but just not enough to start the car. So you jump it. How long will the car have to run to totally charge the battery so that it's "back to normal."
sometimes I don't drive my 280z or 300zx often enough and I will have to jump them. Usually I just take them for a 20-30min drive around town to charge the battery.
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