Why Won T My Car Battery Hold Charge. I have a 2000 S430 and for some reason my battery will not hold a charge. The main component of your jump starter is the battery.
If its at least four years old then it should probably be replaced. If it does take a charge it will be in a very weakened state where you may get 12vdc out of it but the reserve capacity is shot. Heres a quick rundown of some of the most common causes of a battery that wont hold a charge.
One significant reason why a car battery wont hold a charge is age.
Thus causing the battery to retain very minimal current that may not be sufficient to kickstart your vehicle after a stop. One significant reason why a car battery wont hold a charge is age. If it does take a charge it will be in a very weakened state where you may get 12vdc out of it but the reserve capacity is shot. Again try the cheapest method first which is throwing a charger on there at the lowest setting a lot of chargers have a 2A setting if so us it.
