Car Battery Not Holding Charge

A battery that has been run low repeatedly needs to be slow charged for 24 hours.

Car battery not holding charge. This will prevent dangerous sparking. But what happens if your car battery won t hold a charge. A problem with your battery is causing it to not hold a charge. To check this wait 12 to 24 hours after charging to the full voltage keep the battery out of the vehicle and measure its voltage.

That s when a simple fix suddenly turns into a complicated issue. Car batteries get old and when they re old they stop working as they should. If it s at least four years old then it should probably be replaced. Another faster but less preferable way to do this is to turn on the high beam headlights for 15 seconds turn them off wait five to 10 minutes then.

Even if your alternator is working fine turning the car off for something as simple as stopping at the gas station will mean that the engine won t crank and you ll need to jump it off. Reasons your battery won t hold a charge. If your car stops after the jump cables are removed then it is a problem with the car battery not charging. Corroded or loose battery connections.

The battery is old. If your battery won t hold a charge it s not safe to drive your car. How to renew a car battery. After you have jump started the car leave it connected to the donor car for a few minutes to give the battery a chance to charge.

Even small drains like the memory function in your car radio may kill a very weak battery. A parasitic drain is depleting battery power. Corroded battery connections can prevent the charging system from topping off your battery when you are driving. Before you check the battery make sure the headlights and anything else that may drain the battery are turned off.

Your battery may have reached the end of its service life often 4 or 5 years. Using a trickle charger is the best way to fix a battery that will not hold a charge. A poorly maintained or weak battery may not hold a charge very well. When you car battery discharges soon after shutting down the engine it s commonly caused by one of three things.

A problem in an electrical system is affecting battery power. For younger batteries a car that isn t started for days or weeks can also lose its charge. One significant reason why a car battery won t hold a charge is age. Obvious signs that your battery is too old and worn out include corrosion and cracking.