If your car battery keeps draining the first things to check are your lights.
Car battery completely drained.
Some of the most common reasons for a car battery to die repeatedly include loose or corroded battery connections persistent electrical drains charging problems constantly demanding more power than the alternator can provide and even extreme weather some of these problems are enough to kill a battery on their own while others are usually coupled.
Now the second negative of the jumper cable should be connected to the metallic portion of the car which contains the dead battery.
Under normal circumstances starting your car will drain the battery a little but the alternator will charge it back up as you drive.
So if you often face the drain car battery trouble it s probably the time for purchasing a quality battery.
Continue doing so for a few minutes.
Changing a new battery is the right choice for you by going to the trustful garage.
Now after few minutes have elapsed you should start the car with the flat battery.
This is because it has to work overtime to fill up the battery while also.
Many battery chargers deliver two to six amps some allow you to choose the amperage level and will take at least several hours to recharge a dead car battery.
What causes a car battery to keep dying.
Your battery is completely dead or terminally damaged.
It will not last forever.
Your vehicle s alternator can keep a healthy battery charged but it was never designed to completely recharge a dead car battery if the unit in question reads below 12 volts.
Typically car batteries have a lifespan of 4 to 5 years.
At its most basic a car battery is constructed of alternating plates of dissimilar metals usually lead and lead oxide pb and pbo 2 in an electrolyte bath usually sulfuric acid h 2 so 4 in water.
In that same way any power that your car s accessories use while you are driving should be supplied by the alternator so the battery never cycles deeper than it is designed to.
Your car battery works hard day in and day out.
Another possible cause is a defective cell or a short circuit within the battery.
Using the alternator to deal with such a depleted battery can actually damage your alternator.
Start the car which has the good condition battery and the dead battery would start charging.
Many newer vehicles have headlights designed to turn off after a certain amount of time.
At some point usually between the three year and five year mark from new your battery will wear out and need replacing.
To revive a dead battery first make sure each car is in park or neutral and turned off.
Then connect one end of the cable to the positive terminal of the donor battery and then connect the.