How Long Does It Take To Jump Dead Battery. If you got a jump and think you can bring your battery back to full charge with a 15 minute drive youll wind up with another dead battery. Another possible cause is a defective cell or a short circuit within the battery.
How long does a car battery take to jump start. At some point usually between the three-year and five-year mark from new your battery will wear out and need replacing. In actuality the number is a little bit less and all battery chargers will be about 80 efficient plus or minus due to a myriad of factors.
Worse yet you cant determine the core temperature of a battery by measuring the temperature of the case.
If your car does start let it run for a few minutes to help charge the battery further. The length of time it takes to charge a battery has a lot to do with the type of battery charger you have said Benjamin Jerew an ASE master mechanic since 2001. A battery must be a room temperature for at least 12 hours before you test or charge it. If your car does start let it run for a few minutes to help charge the battery further.
